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Finding the Fourth Proportional to 564,043.20, 845,805.60 and 248,337.60

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Solution

The fourth proportional to 564,043.20, 845,805.60 and 248,337.60 is: 372,392.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,043.20 : 845,805.60 = 248,337.60 : x
  2. Step 2: Convert to fraction form
    564,043.20/845,805.60 = 248,337.60/x
  3. Step 3: Cross multiply
    564,043.20x = 845,805.60 × 248,337.60
  4. Step 4: Simplify right side
    564,043.20x = 210,045,332,770.56
  5. Step 5: Solve for x
    x = 210,045,332,770.56/564,043.20
  6. Step 6: Final answer
    x = 372,392.28

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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.