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Finding the Fourth Proportional to 527,248.85, 790,709.85 and 190,245.92

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Solution

The fourth proportional to 527,248.85, 790,709.85 and 190,245.92 is: 285,309.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,248.85 : 790,709.85 = 190,245.92 : x
  2. Step 2: Convert to fraction form
    527,248.85/790,709.85 = 190,245.92/x
  3. Step 3: Cross multiply
    527,248.85x = 790,709.85 × 190,245.92
  4. Step 4: Simplify right side
    527,248.85x = 150,429,318,912.76
  5. Step 5: Solve for x
    x = 150,429,318,912.76/527,248.85
  6. Step 6: Final answer
    x = 285,309.91

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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.