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Finding the Fourth Proportional to 437,953.70, 656,930.55 and 122,410.10

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Solution

The fourth proportional to 437,953.70, 656,930.55 and 122,410.10 is: 183,615.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,953.70 : 656,930.55 = 122,410.10 : x
  2. Step 2: Convert to fraction form
    437,953.70/656,930.55 = 122,410.10/x
  3. Step 3: Cross multiply
    437,953.70x = 656,930.55 × 122,410.10
  4. Step 4: Simplify right side
    437,953.70x = 80,414,934,318.56
  5. Step 5: Solve for x
    x = 80,414,934,318.56/437,953.70
  6. Step 6: Final answer
    x = 183,615.15

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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.