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Finding the Fourth Proportional to 474,397.32, 654,666.78 and 259,535.52

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Solution

The fourth proportional to 474,397.32, 654,666.78 and 259,535.52 is: 358,158.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,397.32 : 654,666.78 = 259,535.52 : x
  2. Step 2: Convert to fraction form
    474,397.32/654,666.78 = 259,535.52/x
  3. Step 3: Cross multiply
    474,397.32x = 654,666.78 × 259,535.52
  4. Step 4: Simplify right side
    474,397.32x = 169,909,283,174.03
  5. Step 5: Solve for x
    x = 169,909,283,174.03/474,397.32
  6. Step 6: Final answer
    x = 358,158.19

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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.