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Finding the Fourth Proportional to 437,602.65, 656,345.66 and 122,033.13

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Solution

The fourth proportional to 437,602.65, 656,345.66 and 122,033.13 is: 183,033.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,602.65 : 656,345.66 = 122,033.13 : x
  2. Step 2: Convert to fraction form
    437,602.65/656,345.66 = 122,033.13/x
  3. Step 3: Cross multiply
    437,602.65x = 656,345.66 × 122,033.13
  4. Step 4: Simplify right side
    437,602.65x = 80,095,914,641.55
  5. Step 5: Solve for x
    x = 80,095,914,641.55/437,602.65
  6. Step 6: Final answer
    x = 183,033.43

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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.