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Finding the Fourth Proportional to 334,340.88, 461,382.08 and 187,163.68

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Solution

The fourth proportional to 334,340.88, 461,382.08 and 187,163.68 is: 258,281.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,340.88 : 461,382.08 = 187,163.68 : x
  2. Step 2: Convert to fraction form
    334,340.88/461,382.08 = 187,163.68/x
  3. Step 3: Cross multiply
    334,340.88x = 461,382.08 × 187,163.68
  4. Step 4: Simplify right side
    334,340.88x = 86,353,967,978.85
  5. Step 5: Solve for x
    x = 86,353,967,978.85/334,340.88
  6. Step 6: Final answer
    x = 258,281.21

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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.