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Finding the Fourth Proportional to 652,832.20, 978,470.70 and 273,752.20

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Solution

The fourth proportional to 652,832.20, 978,470.70 and 273,752.20 is: 410,302.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,832.20 : 978,470.70 = 273,752.20 : x
  2. Step 2: Convert to fraction form
    652,832.20/978,470.70 = 273,752.20/x
  3. Step 3: Cross multiply
    652,832.20x = 978,470.70 × 273,752.20
  4. Step 4: Simplify right side
    652,832.20x = 267,858,506,760.54
  5. Step 5: Solve for x
    x = 267,858,506,760.54/652,832.20
  6. Step 6: Final answer
    x = 410,302.23

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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.