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Finding the Fourth Proportional to 319,710.87, 441,194.33 and 174,519.52

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Solution

The fourth proportional to 319,710.87, 441,194.33 and 174,519.52 is: 240,833.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,710.87 : 441,194.33 = 174,519.52 : x
  2. Step 2: Convert to fraction form
    319,710.87/441,194.33 = 174,519.52/x
  3. Step 3: Cross multiply
    319,710.87x = 441,194.33 × 174,519.52
  4. Step 4: Simplify right side
    319,710.87x = 76,997,024,888.36
  5. Step 5: Solve for x
    x = 76,997,024,888.36/319,710.87
  6. Step 6: Final answer
    x = 240,833.31

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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.