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Finding the Fourth Proportional to 329,307.26, 454,443.89 and 178,404.26

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Solution

The fourth proportional to 329,307.26, 454,443.89 and 178,404.26 is: 246,197.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,307.26 : 454,443.89 = 178,404.26 : x
  2. Step 2: Convert to fraction form
    329,307.26/454,443.89 = 178,404.26/x
  3. Step 3: Cross multiply
    329,307.26x = 454,443.89 × 178,404.26
  4. Step 4: Simplify right side
    329,307.26x = 81,074,722,742.73
  5. Step 5: Solve for x
    x = 81,074,722,742.73/329,307.26
  6. Step 6: Final answer
    x = 246,197.80

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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.