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Finding the Fourth Proportional to 411,861.76, 568,342.50 and 230,572.15

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Solution

The fourth proportional to 411,861.76, 568,342.50 and 230,572.15 is: 318,174.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,861.76 : 568,342.50 = 230,572.15 : x
  2. Step 2: Convert to fraction form
    411,861.76/568,342.50 = 230,572.15/x
  3. Step 3: Cross multiply
    411,861.76x = 568,342.50 × 230,572.15
  4. Step 4: Simplify right side
    411,861.76x = 131,043,952,161.38
  5. Step 5: Solve for x
    x = 131,043,952,161.38/411,861.76
  6. Step 6: Final answer
    x = 318,174.60

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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.