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Finding the Fourth Proportional to 474,211.28, 654,412.02 and 259,350.68

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Solution

The fourth proportional to 474,211.28, 654,412.02 and 259,350.68 is: 357,904.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,211.28 : 654,412.02 = 259,350.68 : x
  2. Step 2: Convert to fraction form
    474,211.28/654,412.02 = 259,350.68/x
  3. Step 3: Cross multiply
    474,211.28x = 654,412.02 × 259,350.68
  4. Step 4: Simplify right side
    474,211.28x = 169,722,202,387.17
  5. Step 5: Solve for x
    x = 169,722,202,387.17/474,211.28
  6. Step 6: Final answer
    x = 357,904.19

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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.