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Finding the Fourth Proportional to 479,764.91, 719,650.71 and 329,549.91

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Solution

The fourth proportional to 479,764.91, 719,650.71 and 329,549.91 is: 494,327.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,764.91 : 719,650.71 = 329,549.91 : x
  2. Step 2: Convert to fraction form
    479,764.91/719,650.71 = 329,549.91/x
  3. Step 3: Cross multiply
    479,764.91x = 719,650.71 × 329,549.91
  4. Step 4: Simplify right side
    479,764.91x = 237,160,826,711.94
  5. Step 5: Solve for x
    x = 237,160,826,711.94/479,764.91
  6. Step 6: Final answer
    x = 494,327.16

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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.