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Finding the Fourth Proportional to 368,674.69, 553,007.35 and 201,261.56

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Solution

The fourth proportional to 368,674.69, 553,007.35 and 201,261.56 is: 301,889.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,674.69 : 553,007.35 = 201,261.56 : x
  2. Step 2: Convert to fraction form
    368,674.69/553,007.35 = 201,261.56/x
  3. Step 3: Cross multiply
    368,674.69x = 553,007.35 × 201,261.56
  4. Step 4: Simplify right side
    368,674.69x = 111,299,122,549.67
  5. Step 5: Solve for x
    x = 111,299,122,549.67/368,674.69
  6. Step 6: Final answer
    x = 301,889.78

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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.