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Finding the Fourth Proportional to 474,154.66, 654,344.82 and 270,201.20

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Solution

The fourth proportional to 474,154.66, 654,344.82 and 270,201.20 is: 372,884.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,154.66 : 654,344.82 = 270,201.20 : x
  2. Step 2: Convert to fraction form
    474,154.66/654,344.82 = 270,201.20/x
  3. Step 3: Cross multiply
    474,154.66x = 654,344.82 × 270,201.20
  4. Step 4: Simplify right side
    474,154.66x = 176,804,755,577.78
  5. Step 5: Solve for x
    x = 176,804,755,577.78/474,154.66
  6. Step 6: Final answer
    x = 372,884.15

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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.