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Finding the Fourth Proportional to 524,079.60, 785,082.60 and 486,754.80

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Solution

The fourth proportional to 524,079.60, 785,082.60 and 486,754.80 is: 729,169.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,079.60 : 785,082.60 = 486,754.80 : x
  2. Step 2: Convert to fraction form
    524,079.60/785,082.60 = 486,754.80/x
  3. Step 3: Cross multiply
    524,079.60x = 785,082.60 × 486,754.80
  4. Step 4: Simplify right side
    524,079.60x = 382,142,723,946.48
  5. Step 5: Solve for x
    x = 382,142,723,946.48/524,079.60
  6. Step 6: Final answer
    x = 729,169.24

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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.