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Finding the Fourth Proportional to 527,251.70, 789,034.35 and 483,014.90

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Solution

The fourth proportional to 527,251.70, 789,034.35 and 483,014.90 is: 722,833.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,251.70 : 789,034.35 = 483,014.90 : x
  2. Step 2: Convert to fraction form
    527,251.70/789,034.35 = 483,014.90/x
  3. Step 3: Cross multiply
    527,251.70x = 789,034.35 × 483,014.90
  4. Step 4: Simplify right side
    527,251.70x = 381,115,347,661.82
  5. Step 5: Solve for x
    x = 381,115,347,661.82/527,251.70
  6. Step 6: Final answer
    x = 722,833.80

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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.