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Finding the Fourth Proportional to 349,240.80, 523,861.20 and 344,575.20

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Solution

The fourth proportional to 349,240.80, 523,861.20 and 344,575.20 is: 516,862.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,240.80 : 523,861.20 = 344,575.20 : x
  2. Step 2: Convert to fraction form
    349,240.80/523,861.20 = 344,575.20/x
  3. Step 3: Cross multiply
    349,240.80x = 523,861.20 × 344,575.20
  4. Step 4: Simplify right side
    349,240.80x = 180,509,577,762.24
  5. Step 5: Solve for x
    x = 180,509,577,762.24/349,240.80
  6. Step 6: Final answer
    x = 516,862.80

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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.