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Finding the Fourth Proportional to 322,557.60, 483,836.40 and 165,093.60

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Solution

The fourth proportional to 322,557.60, 483,836.40 and 165,093.60 is: 247,640.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,557.60 : 483,836.40 = 165,093.60 : x
  2. Step 2: Convert to fraction form
    322,557.60/483,836.40 = 165,093.60/x
  3. Step 3: Cross multiply
    322,557.60x = 483,836.40 × 165,093.60
  4. Step 4: Simplify right side
    322,557.60x = 79,878,293,087.04
  5. Step 5: Solve for x
    x = 79,878,293,087.04/322,557.60
  6. Step 6: Final answer
    x = 247,640.40

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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.