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Finding the Fourth Proportional to 368,757.76, 508,968.48 and 241,359.16

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Solution

The fourth proportional to 368,757.76, 508,968.48 and 241,359.16 is: 333,129.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,757.76 : 508,968.48 = 241,359.16 : x
  2. Step 2: Convert to fraction form
    368,757.76/508,968.48 = 241,359.16/x
  3. Step 3: Cross multiply
    368,757.76x = 508,968.48 × 241,359.16
  4. Step 4: Simplify right side
    368,757.76x = 122,844,204,799.28
  5. Step 5: Solve for x
    x = 122,844,204,799.28/368,757.76
  6. Step 6: Final answer
    x = 333,129.82

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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.