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Finding the Fourth Proportional to 347,995.16, 480,273.17 and 195,074.66

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Solution

The fourth proportional to 347,995.16, 480,273.17 and 195,074.66 is: 269,225.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,995.16 : 480,273.17 = 195,074.66 : x
  2. Step 2: Convert to fraction form
    347,995.16/480,273.17 = 195,074.66/x
  3. Step 3: Cross multiply
    347,995.16x = 480,273.17 × 195,074.66
  4. Step 4: Simplify right side
    347,995.16x = 93,689,121,968.13
  5. Step 5: Solve for x
    x = 93,689,121,968.13/347,995.16
  6. Step 6: Final answer
    x = 269,225.36

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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.