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Finding the Fourth Proportional to 348,067.80, 522,150.30 and 148,386.60

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Solution

The fourth proportional to 348,067.80, 522,150.30 and 148,386.60 is: 222,600.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,067.80 : 522,150.30 = 148,386.60 : x
  2. Step 2: Convert to fraction form
    348,067.80/522,150.30 = 148,386.60/x
  3. Step 3: Cross multiply
    348,067.80x = 522,150.30 × 148,386.60
  4. Step 4: Simplify right side
    348,067.80x = 77,480,107,705.98
  5. Step 5: Solve for x
    x = 77,480,107,705.98/348,067.80
  6. Step 6: Final answer
    x = 222,600.62

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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.