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Finding the Fourth Proportional to 324,052, 486,294 and 124,537.12

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Solution

The fourth proportional to 324,052, 486,294 and 124,537.12 is: 186,888.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,052 : 486,294 = 124,537.12 : x
  2. Step 2: Convert to fraction form
    324,052/486,294 = 124,537.12/x
  3. Step 3: Cross multiply
    324,052x = 486,294 × 124,537.12
  4. Step 4: Simplify right side
    324,052x = 60,561,654,233.28
  5. Step 5: Solve for x
    x = 60,561,654,233.28/324,052
  6. Step 6: Final answer
    x = 186,888.69

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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.