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Finding the Fourth Proportional to 437,611.65, 656,359.14 and 122,042.13

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Solution

The fourth proportional to 437,611.65, 656,359.14 and 122,042.13 is: 183,046.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,611.65 : 656,359.14 = 122,042.13 : x
  2. Step 2: Convert to fraction form
    437,611.65/656,359.14 = 122,042.13/x
  3. Step 3: Cross multiply
    437,611.65x = 656,359.14 × 122,042.13
  4. Step 4: Simplify right side
    437,611.65x = 80,103,467,490.57
  5. Step 5: Solve for x
    x = 80,103,467,490.57/437,611.65
  6. Step 6: Final answer
    x = 183,046.93

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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.