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Finding the Fourth Proportional to 444,780.20, 667,256.70 and 192,060.20

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Solution

The fourth proportional to 444,780.20, 667,256.70 and 192,060.20 is: 288,127.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,780.20 : 667,256.70 = 192,060.20 : x
  2. Step 2: Convert to fraction form
    444,780.20/667,256.70 = 192,060.20/x
  3. Step 3: Cross multiply
    444,780.20x = 667,256.70 × 192,060.20
  4. Step 4: Simplify right side
    444,780.20x = 128,153,455,253.34
  5. Step 5: Solve for x
    x = 128,153,455,253.34/444,780.20
  6. Step 6: Final answer
    x = 288,127.61

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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.