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Finding the Fourth Proportional to 322,901.20, 484,133.10 and 164,999.80

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Solution

The fourth proportional to 322,901.20, 484,133.10 and 164,999.80 is: 247,387.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,901.20 : 484,133.10 = 164,999.80 : x
  2. Step 2: Convert to fraction form
    322,901.20/484,133.10 = 164,999.80/x
  3. Step 3: Cross multiply
    322,901.20x = 484,133.10 × 164,999.80
  4. Step 4: Simplify right side
    322,901.20x = 79,881,864,673.38
  5. Step 5: Solve for x
    x = 79,881,864,673.38/322,901.20
  6. Step 6: Final answer
    x = 247,387.95

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1.5x scale

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.