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Finding the Fourth Proportional to 250,593.69, 376,211.30 and 215,280.93

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Solution

The fourth proportional to 250,593.69, 376,211.30 and 215,280.93 is: 323,196.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,593.69 : 376,211.30 = 215,280.93 : x
  2. Step 2: Convert to fraction form
    250,593.69/376,211.30 = 215,280.93/x
  3. Step 3: Cross multiply
    250,593.69x = 376,211.30 × 215,280.93
  4. Step 4: Simplify right side
    250,593.69x = 80,991,120,085.85
  5. Step 5: Solve for x
    x = 80,991,120,085.85/250,593.69
  6. Step 6: Final answer
    x = 323,196.96

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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.