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Finding the Fourth Proportional to 474,019.68, 653,757.42 and 338,010.15

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Solution

The fourth proportional to 474,019.68, 653,757.42 and 338,010.15 is: 466,176.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,019.68 : 653,757.42 = 338,010.15 : x
  2. Step 2: Convert to fraction form
    474,019.68/653,757.42 = 338,010.15/x
  3. Step 3: Cross multiply
    474,019.68x = 653,757.42 × 338,010.15
  4. Step 4: Simplify right side
    474,019.68x = 220,976,643,597.81
  5. Step 5: Solve for x
    x = 220,976,643,597.81/474,019.68
  6. Step 6: Final answer
    x = 466,176.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.