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Finding the Fourth Proportional to 538,280.28, 807,393.58 and 201,296.15

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Solution

The fourth proportional to 538,280.28, 807,393.58 and 201,296.15 is: 301,934.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,280.28 : 807,393.58 = 201,296.15 : x
  2. Step 2: Convert to fraction form
    538,280.28/807,393.58 = 201,296.15/x
  3. Step 3: Cross multiply
    538,280.28x = 807,393.58 × 201,296.15
  4. Step 4: Simplify right side
    538,280.28x = 162,525,222,217.82
  5. Step 5: Solve for x
    x = 162,525,222,217.82/538,280.28
  6. Step 6: Final answer
    x = 301,934.19

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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.