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Finding the Fourth Proportional to 322,407.60, 482,955.30 and 164,724.90

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Solution

The fourth proportional to 322,407.60, 482,955.30 and 164,724.90 is: 246,752.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,407.60 : 482,955.30 = 164,724.90 : x
  2. Step 2: Convert to fraction form
    322,407.60/482,955.30 = 164,724.90/x
  3. Step 3: Cross multiply
    322,407.60x = 482,955.30 × 164,724.90
  4. Step 4: Simplify right side
    322,407.60x = 79,554,763,496.97
  5. Step 5: Solve for x
    x = 79,554,763,496.97/322,407.60
  6. Step 6: Final answer
    x = 246,752.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.