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Finding the Fourth Proportional to 669,648.92, 924,122.28 and 363,731.28

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Solution

The fourth proportional to 669,648.92, 924,122.28 and 363,731.28 is: 501,952.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,648.92 : 924,122.28 = 363,731.28 : x
  2. Step 2: Convert to fraction form
    669,648.92/924,122.28 = 363,731.28/x
  3. Step 3: Cross multiply
    669,648.92x = 924,122.28 × 363,731.28
  4. Step 4: Simplify right side
    669,648.92x = 336,132,179,780.92
  5. Step 5: Solve for x
    x = 336,132,179,780.92/669,648.92
  6. Step 6: Final answer
    x = 501,952.85

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1.5x scale

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.