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Finding the Fourth Proportional to 564,519.20, 846,087.60 and 248,640.80

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Solution

The fourth proportional to 564,519.20, 846,087.60 and 248,640.80 is: 372,656.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,519.20 : 846,087.60 = 248,640.80 : x
  2. Step 2: Convert to fraction form
    564,519.20/846,087.60 = 248,640.80/x
  3. Step 3: Cross multiply
    564,519.20x = 846,087.60 × 248,640.80
  4. Step 4: Simplify right side
    564,519.20x = 210,371,897,734.08
  5. Step 5: Solve for x
    x = 210,371,897,734.08/564,519.20
  6. Step 6: Final answer
    x = 372,656.76

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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.