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Finding the Fourth Proportional to 527,376.76, 791,102.04 and 261,065.77

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Solution

The fourth proportional to 527,376.76, 791,102.04 and 261,065.77 is: 391,616.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,376.76 : 791,102.04 = 261,065.77 : x
  2. Step 2: Convert to fraction form
    527,376.76/791,102.04 = 261,065.77/x
  3. Step 3: Cross multiply
    527,376.76x = 791,102.04 × 261,065.77
  4. Step 4: Simplify right side
    527,376.76x = 206,529,663,221.17
  5. Step 5: Solve for x
    x = 206,529,663,221.17/527,376.76
  6. Step 6: Final answer
    x = 391,616.92

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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.