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Finding the Fourth Proportional to 491,135.64, 736,703.46 and 324,884.76

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Solution

The fourth proportional to 491,135.64, 736,703.46 and 324,884.76 is: 487,327.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,135.64 : 736,703.46 = 324,884.76 : x
  2. Step 2: Convert to fraction form
    491,135.64/736,703.46 = 324,884.76/x
  3. Step 3: Cross multiply
    491,135.64x = 736,703.46 × 324,884.76
  4. Step 4: Simplify right side
    491,135.64x = 239,343,726,793.27
  5. Step 5: Solve for x
    x = 239,343,726,793.27/491,135.64
  6. Step 6: Final answer
    x = 487,327.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.