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Finding the Fourth Proportional to 354,846.80, 532,788.60 and 144,894.80

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Solution

The fourth proportional to 354,846.80, 532,788.60 and 144,894.80 is: 217,553.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,846.80 : 532,788.60 = 144,894.80 : x
  2. Step 2: Convert to fraction form
    354,846.80/532,788.60 = 144,894.80/x
  3. Step 3: Cross multiply
    354,846.80x = 532,788.60 × 144,894.80
  4. Step 4: Simplify right side
    354,846.80x = 77,198,297,639.28
  5. Step 5: Solve for x
    x = 77,198,297,639.28/354,846.80
  6. Step 6: Final answer
    x = 217,553.88

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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.