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Finding the Fourth Proportional to 348,608.16, 481,073.28 and 195,649.92

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Solution

The fourth proportional to 348,608.16, 481,073.28 and 195,649.92 is: 269,993.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,608.16 : 481,073.28 = 195,649.92 : x
  2. Step 2: Convert to fraction form
    348,608.16/481,073.28 = 195,649.92/x
  3. Step 3: Cross multiply
    348,608.16x = 481,073.28 × 195,649.92
  4. Step 4: Simplify right side
    348,608.16x = 94,121,948,746.14
  5. Step 5: Solve for x
    x = 94,121,948,746.14/348,608.16
  6. Step 6: Final answer
    x = 269,993.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.