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Finding the Fourth Proportional to 579,472.89, 869,082.57 and 294,861.57

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Solution

The fourth proportional to 579,472.89, 869,082.57 and 294,861.57 is: 442,227.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,472.89 : 869,082.57 = 294,861.57 : x
  2. Step 2: Convert to fraction form
    579,472.89/869,082.57 = 294,861.57/x
  3. Step 3: Cross multiply
    579,472.89x = 869,082.57 × 294,861.57
  4. Step 4: Simplify right side
    579,472.89x = 256,259,051,049.84
  5. Step 5: Solve for x
    x = 256,259,051,049.84/579,472.89
  6. Step 6: Final answer
    x = 442,227.85

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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.