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Finding the Fourth Proportional to 329,353.98, 454,508.79 and 178,450.98

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Solution

The fourth proportional to 329,353.98, 454,508.79 and 178,450.98 is: 246,262.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,353.98 : 454,508.79 = 178,450.98 : x
  2. Step 2: Convert to fraction form
    329,353.98/454,508.79 = 178,450.98/x
  3. Step 3: Cross multiply
    329,353.98x = 454,508.79 × 178,450.98
  4. Step 4: Simplify right side
    329,353.98x = 81,107,538,994.11
  5. Step 5: Solve for x
    x = 81,107,538,994.11/329,353.98
  6. Step 6: Final answer
    x = 246,262.51

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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.