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Finding the Fourth Proportional to 329,304.47, 454,440.63 and 178,401.47

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Solution

The fourth proportional to 329,304.47, 454,440.63 and 178,401.47 is: 246,194.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,304.47 : 454,440.63 = 178,401.47 : x
  2. Step 2: Convert to fraction form
    329,304.47/454,440.63 = 178,401.47/x
  3. Step 3: Cross multiply
    329,304.47x = 454,440.63 × 178,401.47
  4. Step 4: Simplify right side
    329,304.47x = 81,072,874,147.52
  5. Step 5: Solve for x
    x = 81,072,874,147.52/329,304.47
  6. Step 6: Final answer
    x = 246,194.28

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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.