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Finding the Fourth Proportional to 652,171.20, 978,263.11 and 247,254.53

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Solution

The fourth proportional to 652,171.20, 978,263.11 and 247,254.53 is: 370,884.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,171.20 : 978,263.11 = 247,254.53 : x
  2. Step 2: Convert to fraction form
    652,171.20/978,263.11 = 247,254.53/x
  3. Step 3: Cross multiply
    652,171.20x = 978,263.11 × 247,254.53
  4. Step 4: Simplify right side
    652,171.20x = 241,879,981,592.54
  5. Step 5: Solve for x
    x = 241,879,981,592.54/652,171.20
  6. Step 6: Final answer
    x = 370,884.18

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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.