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Finding the Fourth Proportional to 329,332.17, 454,480.29 and 178,429.17

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Solution

The fourth proportional to 329,332.17, 454,480.29 and 178,429.17 is: 246,233.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,332.17 : 454,480.29 = 178,429.17 : x
  2. Step 2: Convert to fraction form
    329,332.17/454,480.29 = 178,429.17/x
  3. Step 3: Cross multiply
    329,332.17x = 454,480.29 × 178,429.17
  4. Step 4: Simplify right side
    329,332.17x = 81,092,540,926.06
  5. Step 5: Solve for x
    x = 81,092,540,926.06/329,332.17
  6. Step 6: Final answer
    x = 246,233.28

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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.