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Finding the Fourth Proportional to 527,758.25, 791,337.45 and 207,736.67

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Solution

The fourth proportional to 527,758.25, 791,337.45 and 207,736.67 is: 311,486.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,758.25 : 791,337.45 = 207,736.67 : x
  2. Step 2: Convert to fraction form
    527,758.25/791,337.45 = 207,736.67/x
  3. Step 3: Cross multiply
    527,758.25x = 791,337.45 × 207,736.67
  4. Step 4: Simplify right side
    527,758.25x = 164,389,806,709.29
  5. Step 5: Solve for x
    x = 164,389,806,709.29/527,758.25
  6. Step 6: Final answer
    x = 311,486.95

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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.