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Finding the Fourth Proportional to 322,948.62, 484,425.36 and 123,215.31

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Solution

The fourth proportional to 322,948.62, 484,425.36 and 123,215.31 is: 184,823.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,948.62 : 484,425.36 = 123,215.31 : x
  2. Step 2: Convert to fraction form
    322,948.62/484,425.36 = 123,215.31/x
  3. Step 3: Cross multiply
    322,948.62x = 484,425.36 × 123,215.31
  4. Step 4: Simplify right side
    322,948.62x = 59,688,620,904.26
  5. Step 5: Solve for x
    x = 59,688,620,904.26/322,948.62
  6. Step 6: Final answer
    x = 184,823.89

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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.