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Finding the Fourth Proportional to 474,375.55, 654,699.90 and 293,175.31

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Solution

The fourth proportional to 474,375.55, 654,699.90 and 293,175.31 is: 404,620.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,375.55 : 654,699.90 = 293,175.31 : x
  2. Step 2: Convert to fraction form
    474,375.55/654,699.90 = 293,175.31/x
  3. Step 3: Cross multiply
    474,375.55x = 654,699.90 × 293,175.31
  4. Step 4: Simplify right side
    474,375.55x = 191,941,846,139.47
  5. Step 5: Solve for x
    x = 191,941,846,139.47/474,375.55
  6. Step 6: Final answer
    x = 404,620.02

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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.