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Finding the Fourth Proportional to 352,877.23, 486,959.47 and 191,731.56

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Solution

The fourth proportional to 352,877.23, 486,959.47 and 191,731.56 is: 264,583.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,877.23 : 486,959.47 = 191,731.56 : x
  2. Step 2: Convert to fraction form
    352,877.23/486,959.47 = 191,731.56/x
  3. Step 3: Cross multiply
    352,877.23x = 486,959.47 × 191,731.56
  4. Step 4: Simplify right side
    352,877.23x = 93,365,497,073.69
  5. Step 5: Solve for x
    x = 93,365,497,073.69/352,877.23
  6. Step 6: Final answer
    x = 264,583.51

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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.