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Finding the Fourth Proportional to 329,303.97, 454,439.93 and 178,400.97

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Solution

The fourth proportional to 329,303.97, 454,439.93 and 178,400.97 is: 246,193.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,303.97 : 454,439.93 = 178,400.97 : x
  2. Step 2: Convert to fraction form
    329,303.97/454,439.93 = 178,400.97/x
  3. Step 3: Cross multiply
    329,303.97x = 454,439.93 × 178,400.97
  4. Step 4: Simplify right side
    329,303.97x = 81,072,524,318.73
  5. Step 5: Solve for x
    x = 81,072,524,318.73/329,303.97
  6. Step 6: Final answer
    x = 246,193.58

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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.