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Finding the Fourth Proportional to 662,983.20, 994,474.80 and 242,560.80

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Solution

The fourth proportional to 662,983.20, 994,474.80 and 242,560.80 is: 363,841.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,983.20 : 994,474.80 = 242,560.80 : x
  2. Step 2: Convert to fraction form
    662,983.20/994,474.80 = 242,560.80/x
  3. Step 3: Cross multiply
    662,983.20x = 994,474.80 × 242,560.80
  4. Step 4: Simplify right side
    662,983.20x = 241,220,603,067.84
  5. Step 5: Solve for x
    x = 241,220,603,067.84/662,983.20
  6. Step 6: Final answer
    x = 363,841.20

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Double scale
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Similar ratio
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1.5x scale

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.