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Finding the Fourth Proportional to 484,699.58, 668,872.38 and 269,839.66

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Solution

The fourth proportional to 484,699.58, 668,872.38 and 269,839.66 is: 372,371.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,699.58 : 668,872.38 = 269,839.66 : x
  2. Step 2: Convert to fraction form
    484,699.58/668,872.38 = 269,839.66/x
  3. Step 3: Cross multiply
    484,699.58x = 668,872.38 × 269,839.66
  4. Step 4: Simplify right side
    484,699.58x = 180,488,295,602.59
  5. Step 5: Solve for x
    x = 180,488,295,602.59/484,699.58
  6. Step 6: Final answer
    x = 372,371.47

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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.