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Finding the Fourth Proportional to 527,081.56, 789,960.18 and 227,211.16

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Solution

The fourth proportional to 527,081.56, 789,960.18 and 227,211.16 is: 340,531.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,081.56 : 789,960.18 = 227,211.16 : x
  2. Step 2: Convert to fraction form
    527,081.56/789,960.18 = 227,211.16/x
  3. Step 3: Cross multiply
    527,081.56x = 789,960.18 × 227,211.16
  4. Step 4: Simplify right side
    527,081.56x = 179,487,768,851.61
  5. Step 5: Solve for x
    x = 179,487,768,851.61/527,081.56
  6. Step 6: Final answer
    x = 340,531.30

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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.