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Finding the Fourth Proportional to 329,851.67, 455,196.17 and 178,948.67

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Solution

The fourth proportional to 329,851.67, 455,196.17 and 178,948.67 is: 246,949.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,851.67 : 455,196.17 = 178,948.67 : x
  2. Step 2: Convert to fraction form
    329,851.67/455,196.17 = 178,948.67/x
  3. Step 3: Cross multiply
    329,851.67x = 455,196.17 × 178,948.67
  4. Step 4: Simplify right side
    329,851.67x = 81,456,747,381.98
  5. Step 5: Solve for x
    x = 81,456,747,381.98/329,851.67
  6. Step 6: Final answer
    x = 246,949.63

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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.