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Finding the Fourth Proportional to 484,497.74, 668,597.91 and 269,635.91

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Solution

The fourth proportional to 484,497.74, 668,597.91 and 269,635.91 is: 372,092.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,497.74 : 668,597.91 = 269,635.91 : x
  2. Step 2: Convert to fraction form
    484,497.74/668,597.91 = 269,635.91/x
  3. Step 3: Cross multiply
    484,497.74x = 668,597.91 × 269,635.91
  4. Step 4: Simplify right side
    484,497.74x = 180,278,005,886.95
  5. Step 5: Solve for x
    x = 180,278,005,886.95/484,497.74
  6. Step 6: Final answer
    x = 372,092.56

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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.