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Finding the Fourth Proportional to 482,867.93, 725,012.91 and 270,052.80

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Solution

The fourth proportional to 482,867.93, 725,012.91 and 270,052.80 is: 405,476.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,867.93 : 725,012.91 = 270,052.80 : x
  2. Step 2: Convert to fraction form
    482,867.93/725,012.91 = 270,052.80/x
  3. Step 3: Cross multiply
    482,867.93x = 725,012.91 × 270,052.80
  4. Step 4: Simplify right side
    482,867.93x = 195,791,765,031.38
  5. Step 5: Solve for x
    x = 195,791,765,031.38/482,867.93
  6. Step 6: Final answer
    x = 405,476.85

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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.