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Finding the Fourth Proportional to 527,310.61, 790,840.46 and 227,627.21

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Solution

The fourth proportional to 527,310.61, 790,840.46 and 227,627.21 is: 341,386.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,310.61 : 790,840.46 = 227,627.21 : x
  2. Step 2: Convert to fraction form
    527,310.61/790,840.46 = 227,627.21/x
  3. Step 3: Cross multiply
    527,310.61x = 790,840.46 × 227,627.21
  4. Step 4: Simplify right side
    527,310.61x = 180,016,810,011.09
  5. Step 5: Solve for x
    x = 180,016,810,011.09/527,310.61
  6. Step 6: Final answer
    x = 341,386.67

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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.