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Finding the Fourth Proportional to 479,764.92, 719,650.70 and 329,549.90

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Solution

The fourth proportional to 479,764.92, 719,650.70 and 329,549.90 is: 494,327.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,764.92 : 719,650.70 = 329,549.90 : x
  2. Step 2: Convert to fraction form
    479,764.92/719,650.70 = 329,549.90/x
  3. Step 3: Cross multiply
    479,764.92x = 719,650.70 × 329,549.90
  4. Step 4: Simplify right side
    479,764.92x = 237,160,816,219.93
  5. Step 5: Solve for x
    x = 237,160,816,219.93/479,764.92
  6. Step 6: Final answer
    x = 494,327.13

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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.