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Finding the Fourth Proportional to 329,305.62, 454,438.90 and 178,402.26

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Solution

The fourth proportional to 329,305.62, 454,438.90 and 178,402.26 is: 246,193.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,305.62 : 454,438.90 = 178,402.26 : x
  2. Step 2: Convert to fraction form
    329,305.62/454,438.90 = 178,402.26/x
  3. Step 3: Cross multiply
    329,305.62x = 454,438.90 × 178,402.26
  4. Step 4: Simplify right side
    329,305.62x = 81,072,924,073.71
  5. Step 5: Solve for x
    x = 81,072,924,073.71/329,305.62
  6. Step 6: Final answer
    x = 246,193.57

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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.