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Finding the Fourth Proportional to 322,480.48, 483,721.86 and 97,842.82

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Solution

The fourth proportional to 322,480.48, 483,721.86 and 97,842.82 is: 146,764.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,480.48 : 483,721.86 = 97,842.82 : x
  2. Step 2: Convert to fraction form
    322,480.48/483,721.86 = 97,842.82/x
  3. Step 3: Cross multiply
    322,480.48x = 483,721.86 × 97,842.82
  4. Step 4: Simplify right side
    322,480.48x = 47,328,710,878.05
  5. Step 5: Solve for x
    x = 47,328,710,878.05/322,480.48
  6. Step 6: Final answer
    x = 146,764.58

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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.