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Finding the Fourth Proportional to 533,930.88, 736,825.82 and 292,229.03

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Solution

The fourth proportional to 533,930.88, 736,825.82 and 292,229.03 is: 403,276.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,930.88 : 736,825.82 = 292,229.03 : x
  2. Step 2: Convert to fraction form
    533,930.88/736,825.82 = 292,229.03/x
  3. Step 3: Cross multiply
    533,930.88x = 736,825.82 × 292,229.03
  4. Step 4: Simplify right side
    533,930.88x = 215,321,891,929.99
  5. Step 5: Solve for x
    x = 215,321,891,929.99/533,930.88
  6. Step 6: Final answer
    x = 403,276.72

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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.