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Finding the Fourth Proportional to 482,988.62, 724,590.36 and 158,791.34

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Solution

The fourth proportional to 482,988.62, 724,590.36 and 158,791.34 is: 238,222.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,988.62 : 724,590.36 = 158,791.34 : x
  2. Step 2: Convert to fraction form
    482,988.62/724,590.36 = 158,791.34/x
  3. Step 3: Cross multiply
    482,988.62x = 724,590.36 × 158,791.34
  4. Step 4: Simplify right side
    482,988.62x = 115,058,674,215.48
  5. Step 5: Solve for x
    x = 115,058,674,215.48/482,988.62
  6. Step 6: Final answer
    x = 238,222.33

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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.