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Finding the Fourth Proportional to 437,592.30, 656,307.45 and 121,983.90

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Solution

The fourth proportional to 437,592.30, 656,307.45 and 121,983.90 is: 182,953.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,592.30 : 656,307.45 = 121,983.90 : x
  2. Step 2: Convert to fraction form
    437,592.30/656,307.45 = 121,983.90/x
  3. Step 3: Cross multiply
    437,592.30x = 656,307.45 × 121,983.90
  4. Step 4: Simplify right side
    437,592.30x = 80,058,942,350.06
  5. Step 5: Solve for x
    x = 80,058,942,350.06/437,592.30
  6. Step 6: Final answer
    x = 182,953.27

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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.