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Finding the Fourth Proportional to 652,216.20, 978,324.30 and 575,233.80

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Solution

The fourth proportional to 652,216.20, 978,324.30 and 575,233.80 is: 862,850.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,216.20 : 978,324.30 = 575,233.80 : x
  2. Step 2: Convert to fraction form
    652,216.20/978,324.30 = 575,233.80/x
  3. Step 3: Cross multiply
    652,216.20x = 978,324.30 × 575,233.80
  4. Step 4: Simplify right side
    652,216.20x = 562,765,204,721.34
  5. Step 5: Solve for x
    x = 562,765,204,721.34/652,216.20
  6. Step 6: Final answer
    x = 862,850.70

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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.