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Finding the Fourth Proportional to 331,522.52, 497,430.79 and 173,713.46

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Solution

The fourth proportional to 331,522.52, 497,430.79 and 173,713.46 is: 260,647.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,522.52 : 497,430.79 = 173,713.46 : x
  2. Step 2: Convert to fraction form
    331,522.52/497,430.79 = 173,713.46/x
  3. Step 3: Cross multiply
    331,522.52x = 497,430.79 × 173,713.46
  4. Step 4: Simplify right side
    331,522.52x = 86,410,420,720.00
  5. Step 5: Solve for x
    x = 86,410,420,720.00/331,522.52
  6. Step 6: Final answer
    x = 260,647.22

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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.