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Finding the Fourth Proportional to 494,550.90, 741,818.28 and 157,587.02

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Solution

The fourth proportional to 494,550.90, 741,818.28 and 157,587.02 is: 236,377.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,550.90 : 741,818.28 = 157,587.02 : x
  2. Step 2: Convert to fraction form
    494,550.90/741,818.28 = 157,587.02/x
  3. Step 3: Cross multiply
    494,550.90x = 741,818.28 × 157,587.02
  4. Step 4: Simplify right side
    494,550.90x = 116,900,931,790.40
  5. Step 5: Solve for x
    x = 116,900,931,790.40/494,550.90
  6. Step 6: Final answer
    x = 236,377.96

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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.