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Finding the Fourth Proportional to 373,596, 515,562.48 and 239,460

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Solution

The fourth proportional to 373,596, 515,562.48 and 239,460 is: 330,454.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,596 : 515,562.48 = 239,460 : x
  2. Step 2: Convert to fraction form
    373,596/515,562.48 = 239,460/x
  3. Step 3: Cross multiply
    373,596x = 515,562.48 × 239,460
  4. Step 4: Simplify right side
    373,596x = 123,456,591,460.80
  5. Step 5: Solve for x
    x = 123,456,591,460.80/373,596
  6. Step 6: Final answer
    x = 330,454.80

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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.