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Finding the Fourth Proportional to 667,996.03, 921,892.84 and 366,248.35

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Solution

The fourth proportional to 667,996.03, 921,892.84 and 366,248.35 is: 505,454.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,996.03 : 921,892.84 = 366,248.35 : x
  2. Step 2: Convert to fraction form
    667,996.03/921,892.84 = 366,248.35/x
  3. Step 3: Cross multiply
    667,996.03x = 921,892.84 × 366,248.35
  4. Step 4: Simplify right side
    667,996.03x = 337,641,733,823.71
  5. Step 5: Solve for x
    x = 337,641,733,823.71/667,996.03
  6. Step 6: Final answer
    x = 505,454.70

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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.