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Finding the Fourth Proportional to 437,225.52, 656,028.87 and 153,119.88

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Solution

The fourth proportional to 437,225.52, 656,028.87 and 153,119.88 is: 229,746.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,225.52 : 656,028.87 = 153,119.88 : x
  2. Step 2: Convert to fraction form
    437,225.52/656,028.87 = 153,119.88/x
  3. Step 3: Cross multiply
    437,225.52x = 656,028.87 × 153,119.88
  4. Step 4: Simplify right side
    437,225.52x = 100,451,061,850.94
  5. Step 5: Solve for x
    x = 100,451,061,850.94/437,225.52
  6. Step 6: Final answer
    x = 229,746.57

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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.