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Finding the Fourth Proportional to 354,873.70, 532,310.55 and 242,899.30

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Solution

The fourth proportional to 354,873.70, 532,310.55 and 242,899.30 is: 364,348.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,873.70 : 532,310.55 = 242,899.30 : x
  2. Step 2: Convert to fraction form
    354,873.70/532,310.55 = 242,899.30/x
  3. Step 3: Cross multiply
    354,873.70x = 532,310.55 × 242,899.30
  4. Step 4: Simplify right side
    354,873.70x = 129,297,859,977.62
  5. Step 5: Solve for x
    x = 129,297,859,977.62/354,873.70
  6. Step 6: Final answer
    x = 364,348.95

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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.