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Finding the Fourth Proportional to 329,231.16, 454,339.01 and 178,328.16

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Solution

The fourth proportional to 329,231.16, 454,339.01 and 178,328.16 is: 246,092.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,231.16 : 454,339.01 = 178,328.16 : x
  2. Step 2: Convert to fraction form
    329,231.16/454,339.01 = 178,328.16/x
  3. Step 3: Cross multiply
    329,231.16x = 454,339.01 × 178,328.16
  4. Step 4: Simplify right side
    329,231.16x = 81,021,440,115.34
  5. Step 5: Solve for x
    x = 81,021,440,115.34/329,231.16
  6. Step 6: Final answer
    x = 246,092.87

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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.