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Finding the Fourth Proportional to 265,774,681.80, 398,662,022.70 and 201,204,600.30

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Solution

The fourth proportional to 265,774,681.80, 398,662,022.70 and 201,204,600.30 is: 301,806,900.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,774,681.80 : 398,662,022.70 = 201,204,600.30 : x
  2. Step 2: Convert to fraction form
    265,774,681.80/398,662,022.70 = 201,204,600.30/x
  3. Step 3: Cross multiply
    265,774,681.80x = 398,662,022.70 × 201,204,600.30
  4. Step 4: Simplify right side
    265,774,681.80x = 80,212,632,932,143,024
  5. Step 5: Solve for x
    x = 80,212,632,932,143,024/265,774,681.80
  6. Step 6: Final answer
    x = 301,806,900.45

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.