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Finding the Fourth Proportional to 778,793.10, 1,168,226.10 and 246,355.80

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Solution

The fourth proportional to 778,793.10, 1,168,226.10 and 246,355.80 is: 369,545.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,793.10 : 1,168,226.10 = 246,355.80 : x
  2. Step 2: Convert to fraction form
    778,793.10/1,168,226.10 = 246,355.80/x
  3. Step 3: Cross multiply
    778,793.10x = 1,168,226.10 × 246,355.80
  4. Step 4: Simplify right side
    778,793.10x = 287,799,275,446.38
  5. Step 5: Solve for x
    x = 287,799,275,446.38/778,793.10
  6. Step 6: Final answer
    x = 369,545.23

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Double scale
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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.