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Finding the Fourth Proportional to 702,797.54, 1,053,092.42 and 543,264.38

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Solution

The fourth proportional to 702,797.54, 1,053,092.42 and 543,264.38 is: 814,043.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,797.54 : 1,053,092.42 = 543,264.38 : x
  2. Step 2: Convert to fraction form
    702,797.54/1,053,092.42 = 543,264.38/x
  3. Step 3: Cross multiply
    702,797.54x = 1,053,092.42 × 543,264.38
  4. Step 4: Simplify right side
    702,797.54x = 572,107,600,634.00
  5. Step 5: Solve for x
    x = 572,107,600,634.00/702,797.54
  6. Step 6: Final answer
    x = 814,043.26

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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.