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Finding the Fourth Proportional to 587,238.63, 810,350.94 and 345,474.48

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Solution

The fourth proportional to 587,238.63, 810,350.94 and 345,474.48 is: 476,732.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,238.63 : 810,350.94 = 345,474.48 : x
  2. Step 2: Convert to fraction form
    587,238.63/810,350.94 = 345,474.48/x
  3. Step 3: Cross multiply
    587,238.63x = 810,350.94 × 345,474.48
  4. Step 4: Simplify right side
    587,238.63x = 279,955,573,948.36
  5. Step 5: Solve for x
    x = 279,955,573,948.36/587,238.63
  6. Step 6: Final answer
    x = 476,732.22

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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.