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Finding the Fourth Proportional to 586,279.01, 807,959.29 and 469,860.24

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Solution

The fourth proportional to 586,279.01, 807,959.29 and 469,860.24 is: 647,520.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,279.01 : 807,959.29 = 469,860.24 : x
  2. Step 2: Convert to fraction form
    586,279.01/807,959.29 = 469,860.24/x
  3. Step 3: Cross multiply
    586,279.01x = 807,959.29 × 469,860.24
  4. Step 4: Simplify right side
    586,279.01x = 379,627,943,560.33
  5. Step 5: Solve for x
    x = 379,627,943,560.33/586,279.01
  6. Step 6: Final answer
    x = 647,520.96

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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.