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Finding the Fourth Proportional to 329,230.66, 454,338.32 and 178,327.66

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Solution

The fourth proportional to 329,230.66, 454,338.32 and 178,327.66 is: 246,092.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,230.66 : 454,338.32 = 178,327.66 : x
  2. Step 2: Convert to fraction form
    329,230.66/454,338.32 = 178,327.66/x
  3. Step 3: Cross multiply
    329,230.66x = 454,338.32 × 178,327.66
  4. Step 4: Simplify right side
    329,230.66x = 81,021,088,763.90
  5. Step 5: Solve for x
    x = 81,021,088,763.90/329,230.66
  6. Step 6: Final answer
    x = 246,092.18

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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.