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Finding the Fourth Proportional to 265,304.61, 397,706.70 and 132,058.89

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Solution

The fourth proportional to 265,304.61, 397,706.70 and 132,058.89 is: 197,963.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,304.61 : 397,706.70 = 132,058.89 : x
  2. Step 2: Convert to fraction form
    265,304.61/397,706.70 = 132,058.89/x
  3. Step 3: Cross multiply
    265,304.61x = 397,706.70 × 132,058.89
  4. Step 4: Simplify right side
    265,304.61x = 52,520,705,347.56
  5. Step 5: Solve for x
    x = 52,520,705,347.56/265,304.61
  6. Step 6: Final answer
    x = 197,963.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.