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Finding the Fourth Proportional to 352,496.47, 486,447.98 and 195,335.01

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Solution

The fourth proportional to 352,496.47, 486,447.98 and 195,335.01 is: 269,563.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,496.47 : 486,447.98 = 195,335.01 : x
  2. Step 2: Convert to fraction form
    352,496.47/486,447.98 = 195,335.01/x
  3. Step 3: Cross multiply
    352,496.47x = 486,447.98 × 195,335.01
  4. Step 4: Simplify right side
    352,496.47x = 95,020,320,061.10
  5. Step 5: Solve for x
    x = 95,020,320,061.10/352,496.47
  6. Step 6: Final answer
    x = 269,563.89

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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.