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Finding the Fourth Proportional to 396,543.12, 594,990.72 and 160,347.12

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Solution

The fourth proportional to 396,543.12, 594,990.72 and 160,347.12 is: 240,591.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,543.12 : 594,990.72 = 160,347.12 : x
  2. Step 2: Convert to fraction form
    396,543.12/594,990.72 = 160,347.12/x
  3. Step 3: Cross multiply
    396,543.12x = 594,990.72 × 160,347.12
  4. Step 4: Simplify right side
    396,543.12x = 95,405,048,378.73
  5. Step 5: Solve for x
    x = 95,405,048,378.73/396,543.12
  6. Step 6: Final answer
    x = 240,591.86

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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.