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Finding the Fourth Proportional to 527,687.19, 791,614.85 and 190,693.73

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Solution

The fourth proportional to 527,687.19, 791,614.85 and 190,693.73 is: 286,070.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,687.19 : 791,614.85 = 190,693.73 : x
  2. Step 2: Convert to fraction form
    527,687.19/791,614.85 = 190,693.73/x
  3. Step 3: Cross multiply
    527,687.19x = 791,614.85 × 190,693.73
  4. Step 4: Simplify right side
    527,687.19x = 150,955,988,469.89
  5. Step 5: Solve for x
    x = 150,955,988,469.89/527,687.19
  6. Step 6: Final answer
    x = 286,070.97

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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.