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Finding the Fourth Proportional to 348,398.40, 522,600.48 and 111,743.04

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Solution

The fourth proportional to 348,398.40, 522,600.48 and 111,743.04 is: 167,615.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,398.40 : 522,600.48 = 111,743.04 : x
  2. Step 2: Convert to fraction form
    348,398.40/522,600.48 = 111,743.04/x
  3. Step 3: Cross multiply
    348,398.40x = 522,600.48 × 111,743.04
  4. Step 4: Simplify right side
    348,398.40x = 58,396,966,340.66
  5. Step 5: Solve for x
    x = 58,396,966,340.66/348,398.40
  6. Step 6: Final answer
    x = 167,615.48

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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.