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Finding the Fourth Proportional to 322,551.04, 445,084.80 and 193,480.96

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Solution

The fourth proportional to 322,551.04, 445,084.80 and 193,480.96 is: 266,982.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,551.04 : 445,084.80 = 193,480.96 : x
  2. Step 2: Convert to fraction form
    322,551.04/445,084.80 = 193,480.96/x
  3. Step 3: Cross multiply
    322,551.04x = 445,084.80 × 193,480.96
  4. Step 4: Simplify right side
    322,551.04x = 86,115,434,385.41
  5. Step 5: Solve for x
    x = 86,115,434,385.41/322,551.04
  6. Step 6: Final answer
    x = 266,982.35

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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.