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Finding the Fourth Proportional to 441,796.24, 609,486.27 and 278,353.51

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Solution

The fourth proportional to 441,796.24, 609,486.27 and 278,353.51 is: 384,006.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,796.24 : 609,486.27 = 278,353.51 : x
  2. Step 2: Convert to fraction form
    441,796.24/609,486.27 = 278,353.51/x
  3. Step 3: Cross multiply
    441,796.24x = 609,486.27 × 278,353.51
  4. Step 4: Simplify right side
    441,796.24x = 169,652,642,551.31
  5. Step 5: Solve for x
    x = 169,652,642,551.31/441,796.24
  6. Step 6: Final answer
    x = 384,006.53

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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.