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Finding the Fourth Proportional to 329,306.73, 454,443.74 and 178,403.73

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Solution

The fourth proportional to 329,306.73, 454,443.74 and 178,403.73 is: 246,197.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,306.73 : 454,443.74 = 178,403.73 : x
  2. Step 2: Convert to fraction form
    329,306.73/454,443.74 = 178,403.73/x
  3. Step 3: Cross multiply
    329,306.73x = 454,443.74 × 178,403.73
  4. Step 4: Simplify right side
    329,306.73x = 81,074,457,399.13
  5. Step 5: Solve for x
    x = 81,074,457,399.13/329,306.73
  6. Step 6: Final answer
    x = 246,197.39

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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.