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Finding the Fourth Proportional to 479,974.80, 719,767.80 and 164,269.20

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Solution

The fourth proportional to 479,974.80, 719,767.80 and 164,269.20 is: 246,337.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,974.80 : 719,767.80 = 164,269.20 : x
  2. Step 2: Convert to fraction form
    479,974.80/719,767.80 = 164,269.20/x
  3. Step 3: Cross multiply
    479,974.80x = 719,767.80 × 164,269.20
  4. Step 4: Simplify right side
    479,974.80x = 118,235,680,691.76
  5. Step 5: Solve for x
    x = 118,235,680,691.76/479,974.80
  6. Step 6: Final answer
    x = 246,337.27

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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.