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Finding the Fourth Proportional to 356,695.80, 492,229.56 and 195,545.34

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Solution

The fourth proportional to 356,695.80, 492,229.56 and 195,545.34 is: 269,846.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,695.80 : 492,229.56 = 195,545.34 : x
  2. Step 2: Convert to fraction form
    356,695.80/492,229.56 = 195,545.34/x
  3. Step 3: Cross multiply
    356,695.80x = 492,229.56 × 195,545.34
  4. Step 4: Simplify right side
    356,695.80x = 96,253,196,668.25
  5. Step 5: Solve for x
    x = 96,253,196,668.25/356,695.80
  6. Step 6: Final answer
    x = 269,846.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.