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Finding the Fourth Proportional to 437,634.04, 656,450.52 and 157,151.56

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Solution

The fourth proportional to 437,634.04, 656,450.52 and 157,151.56 is: 235,727.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,634.04 : 656,450.52 = 157,151.56 : x
  2. Step 2: Convert to fraction form
    437,634.04/656,450.52 = 157,151.56/x
  3. Step 3: Cross multiply
    437,634.04x = 656,450.52 × 157,151.56
  4. Step 4: Simplify right side
    437,634.04x = 103,162,223,280.81
  5. Step 5: Solve for x
    x = 103,162,223,280.81/437,634.04
  6. Step 6: Final answer
    x = 235,727.15

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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.