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Finding the Fourth Proportional to 706,809.92, 1,060,278.03 and 274,517.09

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Solution

The fourth proportional to 706,809.92, 1,060,278.03 and 274,517.09 is: 411,800.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,809.92 : 1,060,278.03 = 274,517.09 : x
  2. Step 2: Convert to fraction form
    706,809.92/1,060,278.03 = 274,517.09/x
  3. Step 3: Cross multiply
    706,809.92x = 1,060,278.03 × 274,517.09
  4. Step 4: Simplify right side
    706,809.92x = 291,064,432,712.56
  5. Step 5: Solve for x
    x = 291,064,432,712.56/706,809.92
  6. Step 6: Final answer
    x = 411,800.15

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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.