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Finding the Fourth Proportional to 348,549.72, 480,997.27 and 195,587.56

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Solution

The fourth proportional to 348,549.72, 480,997.27 and 195,587.56 is: 269,910.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,549.72 : 480,997.27 = 195,587.56 : x
  2. Step 2: Convert to fraction form
    348,549.72/480,997.27 = 195,587.56/x
  3. Step 3: Cross multiply
    348,549.72x = 480,997.27 × 195,587.56
  4. Step 4: Simplify right side
    348,549.72x = 94,077,083,251.69
  5. Step 5: Solve for x
    x = 94,077,083,251.69/348,549.72
  6. Step 6: Final answer
    x = 269,910.08

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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.