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Finding the Fourth Proportional to 503,586.90, 755,380.35 and 484,233.30

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Solution

The fourth proportional to 503,586.90, 755,380.35 and 484,233.30 is: 726,349.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,586.90 : 755,380.35 = 484,233.30 : x
  2. Step 2: Convert to fraction form
    503,586.90/755,380.35 = 484,233.30/x
  3. Step 3: Cross multiply
    503,586.90x = 755,380.35 × 484,233.30
  4. Step 4: Simplify right side
    503,586.90x = 365,780,319,635.66
  5. Step 5: Solve for x
    x = 365,780,319,635.66/503,586.90
  6. Step 6: Final answer
    x = 726,349.95

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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.