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Finding the Fourth Proportional to 483,878.13, 725,833.52 and 168,337.65

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Solution

The fourth proportional to 483,878.13, 725,833.52 and 168,337.65 is: 252,512.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,878.13 : 725,833.52 = 168,337.65 : x
  2. Step 2: Convert to fraction form
    483,878.13/725,833.52 = 168,337.65/x
  3. Step 3: Cross multiply
    483,878.13x = 725,833.52 × 168,337.65
  4. Step 4: Simplify right side
    483,878.13x = 122,185,109,048.03
  5. Step 5: Solve for x
    x = 122,185,109,048.03/483,878.13
  6. Step 6: Final answer
    x = 252,512.15

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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.