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Finding the Fourth Proportional to 313,266.60, 468,863.10 and 242,764.20

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Solution

The fourth proportional to 313,266.60, 468,863.10 and 242,764.20 is: 363,342.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,266.60 : 468,863.10 = 242,764.20 : x
  2. Step 2: Convert to fraction form
    313,266.60/468,863.10 = 242,764.20/x
  3. Step 3: Cross multiply
    313,266.60x = 468,863.10 × 242,764.20
  4. Step 4: Simplify right side
    313,266.60x = 113,823,175,381.02
  5. Step 5: Solve for x
    x = 113,823,175,381.02/313,266.60
  6. Step 6: Final answer
    x = 363,342.84

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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.