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Finding the Fourth Proportional to 629,442.56, 944,397 and 292,664

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Solution

The fourth proportional to 629,442.56, 944,397 and 292,664 is: 439,104.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,442.56 : 944,397 = 292,664 : x
  2. Step 2: Convert to fraction form
    629,442.56/944,397 = 292,664/x
  3. Step 3: Cross multiply
    629,442.56x = 944,397 × 292,664
  4. Step 4: Simplify right side
    629,442.56x = 276,391,003,608
  5. Step 5: Solve for x
    x = 276,391,003,608/629,442.56
  6. Step 6: Final answer
    x = 439,104.41

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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.