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Finding the Fourth Proportional to 490,737.52, 736,020.90 and 158,313.52

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Solution

The fourth proportional to 490,737.52, 736,020.90 and 158,313.52 is: 237,442.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,737.52 : 736,020.90 = 158,313.52 : x
  2. Step 2: Convert to fraction form
    490,737.52/736,020.90 = 158,313.52/x
  3. Step 3: Cross multiply
    490,737.52x = 736,020.90 × 158,313.52
  4. Step 4: Simplify right side
    490,737.52x = 116,522,059,472.57
  5. Step 5: Solve for x
    x = 116,522,059,472.57/490,737.52
  6. Step 6: Final answer
    x = 237,442.74

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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.