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Finding the Fourth Proportional to 317,124.62, 475,640.80 and 92,424.73

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Solution

The fourth proportional to 317,124.62, 475,640.80 and 92,424.73 is: 138,623.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,124.62 : 475,640.80 = 92,424.73 : x
  2. Step 2: Convert to fraction form
    317,124.62/475,640.80 = 92,424.73/x
  3. Step 3: Cross multiply
    317,124.62x = 475,640.80 × 92,424.73
  4. Step 4: Simplify right side
    317,124.62x = 43,960,972,516.98
  5. Step 5: Solve for x
    x = 43,960,972,516.98/317,124.62
  6. Step 6: Final answer
    x = 138,623.65

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1.5x scale

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.