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Finding the Fourth Proportional to 701,902.80, 1,052,854.20 and 613,329.30

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Solution

The fourth proportional to 701,902.80, 1,052,854.20 and 613,329.30 is: 919,993.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,902.80 : 1,052,854.20 = 613,329.30 : x
  2. Step 2: Convert to fraction form
    701,902.80/1,052,854.20 = 613,329.30/x
  3. Step 3: Cross multiply
    701,902.80x = 1,052,854.20 × 613,329.30
  4. Step 4: Simplify right side
    701,902.80x = 645,746,329,488.06
  5. Step 5: Solve for x
    x = 645,746,329,488.06/701,902.80
  6. Step 6: Final answer
    x = 919,993.95

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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.