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Finding the Fourth Proportional to 566,476.97, 781,755.82 and 308,371.10

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Solution

The fourth proportional to 566,476.97, 781,755.82 and 308,371.10 is: 425,561.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,476.97 : 781,755.82 = 308,371.10 : x
  2. Step 2: Convert to fraction form
    566,476.97/781,755.82 = 308,371.10/x
  3. Step 3: Cross multiply
    566,476.97x = 781,755.82 × 308,371.10
  4. Step 4: Simplify right side
    566,476.97x = 241,070,902,144.80
  5. Step 5: Solve for x
    x = 241,070,902,144.80/566,476.97
  6. Step 6: Final answer
    x = 425,561.70

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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.