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Finding the Fourth Proportional to 484,094.40, 668,058.86 and 269,234.56

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Solution

The fourth proportional to 484,094.40, 668,058.86 and 269,234.56 is: 371,548.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,094.40 : 668,058.86 = 269,234.56 : x
  2. Step 2: Convert to fraction form
    484,094.40/668,058.86 = 269,234.56/x
  3. Step 3: Cross multiply
    484,094.40x = 668,058.86 × 269,234.56
  4. Step 4: Simplify right side
    484,094.40x = 179,864,531,880.03
  5. Step 5: Solve for x
    x = 179,864,531,880.03/484,094.40
  6. Step 6: Final answer
    x = 371,548.47

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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.