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Finding the Fourth Proportional to 800,874.92, 1,105,210.50 and 514,397.48

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Solution

The fourth proportional to 800,874.92, 1,105,210.50 and 514,397.48 is: 709,870.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,874.92 : 1,105,210.50 = 514,397.48 : x
  2. Step 2: Convert to fraction form
    800,874.92/1,105,210.50 = 514,397.48/x
  3. Step 3: Cross multiply
    800,874.92x = 1,105,210.50 × 514,397.48
  4. Step 4: Simplify right side
    800,874.92x = 568,517,496,069.54
  5. Step 5: Solve for x
    x = 568,517,496,069.54/800,874.92
  6. Step 6: Final answer
    x = 709,870.52

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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.