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Finding the Fourth Proportional to 437,347.56, 656,038.62 and 121,832.04

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Solution

The fourth proportional to 437,347.56, 656,038.62 and 121,832.04 is: 182,752.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,347.56 : 656,038.62 = 121,832.04 : x
  2. Step 2: Convert to fraction form
    437,347.56/656,038.62 = 121,832.04/x
  3. Step 3: Cross multiply
    437,347.56x = 656,038.62 × 121,832.04
  4. Step 4: Simplify right side
    437,347.56x = 79,926,523,393.38
  5. Step 5: Solve for x
    x = 79,926,523,393.38/437,347.56
  6. Step 6: Final answer
    x = 182,752.87

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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.