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Finding the Fourth Proportional to 491,723.28, 737,279.46 and 207,267.48

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Solution

The fourth proportional to 491,723.28, 737,279.46 and 207,267.48 is: 310,772.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,723.28 : 737,279.46 = 207,267.48 : x
  2. Step 2: Convert to fraction form
    491,723.28/737,279.46 = 207,267.48/x
  3. Step 3: Cross multiply
    491,723.28x = 737,279.46 × 207,267.48
  4. Step 4: Simplify right side
    491,723.28x = 152,814,055,729.96
  5. Step 5: Solve for x
    x = 152,814,055,729.96/491,723.28
  6. Step 6: Final answer
    x = 310,772.46

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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.