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Finding the Fourth Proportional to 437,614.65, 656,363.64 and 122,045.13

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Solution

The fourth proportional to 437,614.65, 656,363.64 and 122,045.13 is: 183,051.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,614.65 : 656,363.64 = 122,045.13 : x
  2. Step 2: Convert to fraction form
    437,614.65/656,363.64 = 122,045.13/x
  3. Step 3: Cross multiply
    437,614.65x = 656,363.64 × 122,045.13
  4. Step 4: Simplify right side
    437,614.65x = 80,105,985,771.07
  5. Step 5: Solve for x
    x = 80,105,985,771.07/437,614.65
  6. Step 6: Final answer
    x = 183,051.43

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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.