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Finding the Fourth Proportional to 373,520.56, 515,462.10 and 203,758.24

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Solution

The fourth proportional to 373,520.56, 515,462.10 and 203,758.24 is: 281,188.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,520.56 : 515,462.10 = 203,758.24 : x
  2. Step 2: Convert to fraction form
    373,520.56/515,462.10 = 203,758.24/x
  3. Step 3: Cross multiply
    373,520.56x = 515,462.10 × 203,758.24
  4. Step 4: Simplify right side
    373,520.56x = 105,029,650,282.70
  5. Step 5: Solve for x
    x = 105,029,650,282.70/373,520.56
  6. Step 6: Final answer
    x = 281,188.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.