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Finding the Fourth Proportional to 322,106.40, 444,518.28 and 178,868.88

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Solution

The fourth proportional to 322,106.40, 444,518.28 and 178,868.88 is: 246,845.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,106.40 : 444,518.28 = 178,868.88 : x
  2. Step 2: Convert to fraction form
    322,106.40/444,518.28 = 178,868.88/x
  3. Step 3: Cross multiply
    322,106.40x = 444,518.28 × 178,868.88
  4. Step 4: Simplify right side
    322,106.40x = 79,510,486,883.13
  5. Step 5: Solve for x
    x = 79,510,486,883.13/322,106.40
  6. Step 6: Final answer
    x = 246,845.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.