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Finding the Fourth Proportional to 444,314.88, 666,737.28 and 178,133.76

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Solution

The fourth proportional to 444,314.88, 666,737.28 and 178,133.76 is: 267,306.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,314.88 : 666,737.28 = 178,133.76 : x
  2. Step 2: Convert to fraction form
    444,314.88/666,737.28 = 178,133.76/x
  3. Step 3: Cross multiply
    444,314.88x = 666,737.28 × 178,133.76
  4. Step 4: Simplify right side
    444,314.88x = 118,768,418,618.57
  5. Step 5: Solve for x
    x = 118,768,418,618.57/444,314.88
  6. Step 6: Final answer
    x = 267,306.87

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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.