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Finding the Fourth Proportional to 602,567.78, 904,086.90 and 265,371.46

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Solution

The fourth proportional to 602,567.78, 904,086.90 and 265,371.46 is: 398,160.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,567.78 : 904,086.90 = 265,371.46 : x
  2. Step 2: Convert to fraction form
    602,567.78/904,086.90 = 265,371.46/x
  3. Step 3: Cross multiply
    602,567.78x = 904,086.90 × 265,371.46
  4. Step 4: Simplify right side
    602,567.78x = 239,918,858,359.66
  5. Step 5: Solve for x
    x = 239,918,858,359.66/602,567.78
  6. Step 6: Final answer
    x = 398,160.79

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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.