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Finding the Fourth Proportional to 329,307.52, 454,444.20 and 178,404.52

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Solution

The fourth proportional to 329,307.52, 454,444.20 and 178,404.52 is: 246,198.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,307.52 : 454,444.20 = 178,404.52 : x
  2. Step 2: Convert to fraction form
    329,307.52/454,444.20 = 178,404.52/x
  3. Step 3: Cross multiply
    329,307.52x = 454,444.20 × 178,404.52
  4. Step 4: Simplify right side
    329,307.52x = 81,074,899,367.78
  5. Step 5: Solve for x
    x = 81,074,899,367.78/329,307.52
  6. Step 6: Final answer
    x = 246,198.14

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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.