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Finding the Fourth Proportional to 564,221.57, 846,469.04 and 324,488.90

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Solution

The fourth proportional to 564,221.57, 846,469.04 and 324,488.90 is: 486,811.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,221.57 : 846,469.04 = 324,488.90 : x
  2. Step 2: Convert to fraction form
    564,221.57/846,469.04 = 324,488.90/x
  3. Step 3: Cross multiply
    564,221.57x = 846,469.04 × 324,488.90
  4. Step 4: Simplify right side
    564,221.57x = 274,669,808,167.38
  5. Step 5: Solve for x
    x = 274,669,808,167.38/564,221.57
  6. Step 6: Final answer
    x = 486,811.96

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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.