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Finding the Fourth Proportional to 329,354.73, 454,509.83 and 178,451.73

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Solution

The fourth proportional to 329,354.73, 454,509.83 and 178,451.73 is: 246,263.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,354.73 : 454,509.83 = 178,451.73 : x
  2. Step 2: Convert to fraction form
    329,354.73/454,509.83 = 178,451.73/x
  3. Step 3: Cross multiply
    329,354.73x = 454,509.83 × 178,451.73
  4. Step 4: Simplify right side
    329,354.73x = 81,108,064,573.25
  5. Step 5: Solve for x
    x = 81,108,064,573.25/329,354.73
  6. Step 6: Final answer
    x = 246,263.55

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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.