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Finding the Fourth Proportional to 652,563.20, 978,067.20 and 273,483.20

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Solution

The fourth proportional to 652,563.20, 978,067.20 and 273,483.20 is: 409,898.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,563.20 : 978,067.20 = 273,483.20 : x
  2. Step 2: Convert to fraction form
    652,563.20/978,067.20 = 273,483.20/x
  3. Step 3: Cross multiply
    652,563.20x = 978,067.20 × 273,483.20
  4. Step 4: Simplify right side
    652,563.20x = 267,484,947,671.04
  5. Step 5: Solve for x
    x = 267,484,947,671.04/652,563.20
  6. Step 6: Final answer
    x = 409,898.92

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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.