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Finding the Fourth Proportional to 474,520.76, 654,883.20 and 283,530.08

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Solution

The fourth proportional to 474,520.76, 654,883.20 and 283,530.08 is: 391,298.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,520.76 : 654,883.20 = 283,530.08 : x
  2. Step 2: Convert to fraction form
    474,520.76/654,883.20 = 283,530.08/x
  3. Step 3: Cross multiply
    474,520.76x = 654,883.20 × 283,530.08
  4. Step 4: Simplify right side
    474,520.76x = 185,679,086,086.66
  5. Step 5: Solve for x
    x = 185,679,086,086.66/474,520.76
  6. Step 6: Final answer
    x = 391,298.13

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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.