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Finding the Fourth Proportional to 329,851.17, 455,195.48 and 178,948.17

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Solution

The fourth proportional to 329,851.17, 455,195.48 and 178,948.17 is: 246,948.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,851.17 : 455,195.48 = 178,948.17 : x
  2. Step 2: Convert to fraction form
    329,851.17/455,195.48 = 178,948.17/x
  3. Step 3: Cross multiply
    329,851.17x = 455,195.48 × 178,948.17
  4. Step 4: Simplify right side
    329,851.17x = 81,456,398,138.27
  5. Step 5: Solve for x
    x = 81,456,398,138.27/329,851.17
  6. Step 6: Final answer
    x = 246,948.94

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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.