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Finding the Fourth Proportional to 527,956.74, 792,082.74 and 173,219.87

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Solution

The fourth proportional to 527,956.74, 792,082.74 and 173,219.87 is: 259,878.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,956.74 : 792,082.74 = 173,219.87 : x
  2. Step 2: Convert to fraction form
    527,956.74/792,082.74 = 173,219.87/x
  3. Step 3: Cross multiply
    527,956.74x = 792,082.74 × 173,219.87
  4. Step 4: Simplify right side
    527,956.74x = 137,204,465,291.63
  5. Step 5: Solve for x
    x = 137,204,465,291.63/527,956.74
  6. Step 6: Final answer
    x = 259,878.23

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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.