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Finding the Fourth Proportional to 474,504.12, 654,796.17 and 283,622.76

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Solution

The fourth proportional to 474,504.12, 654,796.17 and 283,622.76 is: 391,387.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,504.12 : 654,796.17 = 283,622.76 : x
  2. Step 2: Convert to fraction form
    474,504.12/654,796.17 = 283,622.76/x
  3. Step 3: Cross multiply
    474,504.12x = 654,796.17 × 283,622.76
  4. Step 4: Simplify right side
    474,504.12x = 185,715,096,972.83
  5. Step 5: Solve for x
    x = 185,715,096,972.83/474,504.12
  6. Step 6: Final answer
    x = 391,387.74

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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.