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Finding the Fourth Proportional to 486,662.52, 729,936.18 and 149,702.52

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Solution

The fourth proportional to 486,662.52, 729,936.18 and 149,702.52 is: 224,536.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,662.52 : 729,936.18 = 149,702.52 : x
  2. Step 2: Convert to fraction form
    486,662.52/729,936.18 = 149,702.52/x
  3. Step 3: Cross multiply
    486,662.52x = 729,936.18 × 149,702.52
  4. Step 4: Simplify right side
    486,662.52x = 109,273,285,585.17
  5. Step 5: Solve for x
    x = 109,273,285,585.17/486,662.52
  6. Step 6: Final answer
    x = 224,536.06

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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.