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Finding the Fourth Proportional to 702,793.54, 1,053,086.42 and 543,260.38

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Solution

The fourth proportional to 702,793.54, 1,053,086.42 and 543,260.38 is: 814,037.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,793.54 : 1,053,086.42 = 543,260.38 : x
  2. Step 2: Convert to fraction form
    702,793.54/1,053,086.42 = 543,260.38/x
  3. Step 3: Cross multiply
    702,793.54x = 1,053,086.42 × 543,260.38
  4. Step 4: Simplify right side
    702,793.54x = 572,100,128,702.04
  5. Step 5: Solve for x
    x = 572,100,128,702.04/702,793.54
  6. Step 6: Final answer
    x = 814,037.26

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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.