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Finding the Fourth Proportional to 579,337.52, 799,441.80 and 324,639.44

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Solution

The fourth proportional to 579,337.52, 799,441.80 and 324,639.44 is: 447,977.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,337.52 : 799,441.80 = 324,639.44 : x
  2. Step 2: Convert to fraction form
    579,337.52/799,441.80 = 324,639.44/x
  3. Step 3: Cross multiply
    579,337.52x = 799,441.80 × 324,639.44
  4. Step 4: Simplify right side
    579,337.52x = 259,530,338,264.59
  5. Step 5: Solve for x
    x = 259,530,338,264.59/579,337.52
  6. Step 6: Final answer
    x = 447,977.78

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Double scale
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Similar ratio
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1.5x scale

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.