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Finding the Fourth Proportional to 570,654.12, 787,367.40 and 337,963.56

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Solution

The fourth proportional to 570,654.12, 787,367.40 and 337,963.56 is: 466,309.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,654.12 : 787,367.40 = 337,963.56 : x
  2. Step 2: Convert to fraction form
    570,654.12/787,367.40 = 337,963.56/x
  3. Step 3: Cross multiply
    570,654.12x = 787,367.40 × 337,963.56
  4. Step 4: Simplify right side
    570,654.12x = 266,101,489,531.94
  5. Step 5: Solve for x
    x = 266,101,489,531.94/570,654.12
  6. Step 6: Final answer
    x = 466,309.59

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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.