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Finding the Fourth Proportional to 329,288.96, 454,418.70 and 178,385.96

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Solution

The fourth proportional to 329,288.96, 454,418.70 and 178,385.96 is: 246,172.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,288.96 : 454,418.70 = 178,385.96 : x
  2. Step 2: Convert to fraction form
    329,288.96/454,418.70 = 178,385.96/x
  3. Step 3: Cross multiply
    329,288.96x = 454,418.70 × 178,385.96
  4. Step 4: Simplify right side
    329,288.96x = 81,061,916,041.45
  5. Step 5: Solve for x
    x = 81,061,916,041.45/329,288.96
  6. Step 6: Final answer
    x = 246,172.59

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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.