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Finding the Fourth Proportional to 543,652.20, 750,215.76 and 325,981.04

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Solution

The fourth proportional to 543,652.20, 750,215.76 and 325,981.04 is: 449,839.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,652.20 : 750,215.76 = 325,981.04 : x
  2. Step 2: Convert to fraction form
    543,652.20/750,215.76 = 325,981.04/x
  3. Step 3: Cross multiply
    543,652.20x = 750,215.76 × 325,981.04
  4. Step 4: Simplify right side
    543,652.20x = 244,556,109,918.11
  5. Step 5: Solve for x
    x = 244,556,109,918.11/543,652.20
  6. Step 6: Final answer
    x = 449,839.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.