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Finding the Fourth Proportional to 527,999.20, 791,998.80 and 416,024.80

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Solution

The fourth proportional to 527,999.20, 791,998.80 and 416,024.80 is: 624,037.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,999.20 : 791,998.80 = 416,024.80 : x
  2. Step 2: Convert to fraction form
    527,999.20/791,998.80 = 416,024.80/x
  3. Step 3: Cross multiply
    527,999.20x = 791,998.80 × 416,024.80
  4. Step 4: Simplify right side
    527,999.20x = 329,491,142,370.24
  5. Step 5: Solve for x
    x = 329,491,142,370.24/527,999.20
  6. Step 6: Final answer
    x = 624,037.20

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Similar ratio
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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.