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Finding the Fourth Proportional to 324,339.84, 486,570.24 and 124,652.16

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Solution

The fourth proportional to 324,339.84, 486,570.24 and 124,652.16 is: 187,001.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,339.84 : 486,570.24 = 124,652.16 : x
  2. Step 2: Convert to fraction form
    324,339.84/486,570.24 = 124,652.16/x
  3. Step 3: Cross multiply
    324,339.84x = 486,570.24 × 124,652.16
  4. Step 4: Simplify right side
    324,339.84x = 60,652,031,407.72
  5. Step 5: Solve for x
    x = 60,652,031,407.72/324,339.84
  6. Step 6: Final answer
    x = 187,001.48

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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.