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Finding the Fourth Proportional to 329,353.72, 454,508.44 and 178,450.72

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Solution

The fourth proportional to 329,353.72, 454,508.44 and 178,450.72 is: 246,262.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,353.72 : 454,508.44 = 178,450.72 : x
  2. Step 2: Convert to fraction form
    329,353.72/454,508.44 = 178,450.72/x
  3. Step 3: Cross multiply
    329,353.72x = 454,508.44 × 178,450.72
  4. Step 4: Simplify right side
    329,353.72x = 81,107,358,364.08
  5. Step 5: Solve for x
    x = 81,107,358,364.08/329,353.72
  6. Step 6: Final answer
    x = 246,262.16

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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.