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Finding the Fourth Proportional to 483,509.08, 725,013.31 and 217,040.14

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Solution

The fourth proportional to 483,509.08, 725,013.31 and 217,040.14 is: 325,447.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,509.08 : 725,013.31 = 217,040.14 : x
  2. Step 2: Convert to fraction form
    483,509.08/725,013.31 = 217,040.14/x
  3. Step 3: Cross multiply
    483,509.08x = 725,013.31 × 217,040.14
  4. Step 4: Simplify right side
    483,509.08x = 157,356,990,304.26
  5. Step 5: Solve for x
    x = 157,356,990,304.26/483,509.08
  6. Step 6: Final answer
    x = 325,447.85

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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.