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Finding the Fourth Proportional to 579,511.96, 799,728.48 and 324,846.76

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Solution

The fourth proportional to 579,511.96, 799,728.48 and 324,846.76 is: 448,289.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,511.96 : 799,728.48 = 324,846.76 : x
  2. Step 2: Convert to fraction form
    579,511.96/799,728.48 = 324,846.76/x
  3. Step 3: Cross multiply
    579,511.96x = 799,728.48 × 324,846.76
  4. Step 4: Simplify right side
    579,511.96x = 259,789,205,607.73
  5. Step 5: Solve for x
    x = 259,789,205,607.73/579,511.96
  6. Step 6: Final answer
    x = 448,289.64

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Half scale
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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.