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Finding the Fourth Proportional to 701,810.80, 1,049,644.20 and 627,468.40

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Solution

The fourth proportional to 701,810.80, 1,049,644.20 and 627,468.40 is: 938,456.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,810.80 : 1,049,644.20 = 627,468.40 : x
  2. Step 2: Convert to fraction form
    701,810.80/1,049,644.20 = 627,468.40/x
  3. Step 3: Cross multiply
    701,810.80x = 1,049,644.20 × 627,468.40
  4. Step 4: Simplify right side
    701,810.80x = 658,618,566,743.28
  5. Step 5: Solve for x
    x = 658,618,566,743.28/701,810.80
  6. Step 6: Final answer
    x = 938,456.02

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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.