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Finding the Fourth Proportional to 527,999.70, 791,999.55 and 173,025.30

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Solution

The fourth proportional to 527,999.70, 791,999.55 and 173,025.30 is: 259,537.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,999.70 : 791,999.55 = 173,025.30 : x
  2. Step 2: Convert to fraction form
    527,999.70/791,999.55 = 173,025.30/x
  3. Step 3: Cross multiply
    527,999.70x = 791,999.55 × 173,025.30
  4. Step 4: Simplify right side
    527,999.70x = 137,035,959,738.62
  5. Step 5: Solve for x
    x = 137,035,959,738.62/527,999.70
  6. Step 6: Final answer
    x = 259,537.95

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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.