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Finding the Fourth Proportional to 424,602.92, 636,049.50 and 196,577.12

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Solution

The fourth proportional to 424,602.92, 636,049.50 and 196,577.12 is: 294,469.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,602.92 : 636,049.50 = 196,577.12 : x
  2. Step 2: Convert to fraction form
    424,602.92/636,049.50 = 196,577.12/x
  3. Step 3: Cross multiply
    424,602.92x = 636,049.50 × 196,577.12
  4. Step 4: Simplify right side
    424,602.92x = 125,032,778,887.44
  5. Step 5: Solve for x
    x = 125,032,778,887.44/424,602.92
  6. Step 6: Final answer
    x = 294,469.90

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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.