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Finding the Fourth Proportional to 483,296.08, 725,243.48 and 280,987.39

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Solution

The fourth proportional to 483,296.08, 725,243.48 and 280,987.39 is: 421,655.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,296.08 : 725,243.48 = 280,987.39 : x
  2. Step 2: Convert to fraction form
    483,296.08/725,243.48 = 280,987.39/x
  3. Step 3: Cross multiply
    483,296.08x = 725,243.48 × 280,987.39
  4. Step 4: Simplify right side
    483,296.08x = 203,784,270,616.10
  5. Step 5: Solve for x
    x = 203,784,270,616.10/483,296.08
  6. Step 6: Final answer
    x = 421,655.13

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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.