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Finding the Fourth Proportional to 375,789.25, 518,861.33 and 241,886.53

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Solution

The fourth proportional to 375,789.25, 518,861.33 and 241,886.53 is: 333,978.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,789.25 : 518,861.33 = 241,886.53 : x
  2. Step 2: Convert to fraction form
    375,789.25/518,861.33 = 241,886.53/x
  3. Step 3: Cross multiply
    375,789.25x = 518,861.33 × 241,886.53
  4. Step 4: Simplify right side
    375,789.25x = 125,505,566,664.89
  5. Step 5: Solve for x
    x = 125,505,566,664.89/375,789.25
  6. Step 6: Final answer
    x = 333,978.60

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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.