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Finding the Fourth Proportional to 664,472.10, 996,853.95 and 327,674.10

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Solution

The fourth proportional to 664,472.10, 996,853.95 and 327,674.10 is: 491,583.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,472.10 : 996,853.95 = 327,674.10 : x
  2. Step 2: Convert to fraction form
    664,472.10/996,853.95 = 327,674.10/x
  3. Step 3: Cross multiply
    664,472.10x = 996,853.95 × 327,674.10
  4. Step 4: Simplify right side
    664,472.10x = 326,643,220,897.70
  5. Step 5: Solve for x
    x = 326,643,220,897.70/664,472.10
  6. Step 6: Final answer
    x = 491,583.05

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Similar ratio
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1.5x scale

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.