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Finding the Fourth Proportional to 418,513.57, 627,573.46 and 292,296.33

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Solution

The fourth proportional to 418,513.57, 627,573.46 and 292,296.33 is: 438,306.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,513.57 : 627,573.46 = 292,296.33 : x
  2. Step 2: Convert to fraction form
    418,513.57/627,573.46 = 292,296.33/x
  3. Step 3: Cross multiply
    418,513.57x = 627,573.46 × 292,296.33
  4. Step 4: Simplify right side
    418,513.57x = 183,437,419,163.40
  5. Step 5: Solve for x
    x = 183,437,419,163.40/418,513.57
  6. Step 6: Final answer
    x = 438,306.98

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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.