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Finding the Fourth Proportional to 484,344.54, 668,398.86 and 269,493.66

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Solution

The fourth proportional to 484,344.54, 668,398.86 and 269,493.66 is: 371,903.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,344.54 : 668,398.86 = 269,493.66 : x
  2. Step 2: Convert to fraction form
    484,344.54/668,398.86 = 269,493.66/x
  3. Step 3: Cross multiply
    484,344.54x = 668,398.86 × 269,493.66
  4. Step 4: Simplify right side
    484,344.54x = 180,129,255,121.23
  5. Step 5: Solve for x
    x = 180,129,255,121.23/484,344.54
  6. Step 6: Final answer
    x = 371,903.14

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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.