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Finding the Fourth Proportional to 329,133.78, 454,201.99 and 178,230.78

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Solution

The fourth proportional to 329,133.78, 454,201.99 and 178,230.78 is: 245,957.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,133.78 : 454,201.99 = 178,230.78 : x
  2. Step 2: Convert to fraction form
    329,133.78/454,201.99 = 178,230.78/x
  3. Step 3: Cross multiply
    329,133.78x = 454,201.99 × 178,230.78
  4. Step 4: Simplify right side
    329,133.78x = 80,952,774,509.68
  5. Step 5: Solve for x
    x = 80,952,774,509.68/329,133.78
  6. Step 6: Final answer
    x = 245,957.05

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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.