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Finding the Fourth Proportional to 527,604.77, 791,645.90 and 207,668.54

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Solution

The fourth proportional to 527,604.77, 791,645.90 and 207,668.54 is: 311,596.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,604.77 : 791,645.90 = 207,668.54 : x
  2. Step 2: Convert to fraction form
    527,604.77/791,645.90 = 207,668.54/x
  3. Step 3: Cross multiply
    527,604.77x = 791,645.90 × 207,668.54
  4. Step 4: Simplify right side
    527,604.77x = 164,399,943,253.41
  5. Step 5: Solve for x
    x = 164,399,943,253.41/527,604.77
  6. Step 6: Final answer
    x = 311,596.78

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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.