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Finding the Fourth Proportional to 800,724.10, 1,104,375.18 and 514,270.84

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Solution

The fourth proportional to 800,724.10, 1,104,375.18 and 514,270.84 is: 709,292.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,724.10 : 1,104,375.18 = 514,270.84 : x
  2. Step 2: Convert to fraction form
    800,724.10/1,104,375.18 = 514,270.84/x
  3. Step 3: Cross multiply
    800,724.10x = 1,104,375.18 × 514,270.84
  4. Step 4: Simplify right side
    800,724.10x = 567,947,951,493.75
  5. Step 5: Solve for x
    x = 567,947,951,493.75/800,724.10
  6. Step 6: Final answer
    x = 709,292.94

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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.