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Finding the Fourth Proportional to 534,924.34, 738,271.19 and 331,040.93

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Solution

The fourth proportional to 534,924.34, 738,271.19 and 331,040.93 is: 456,883.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,924.34 : 738,271.19 = 331,040.93 : x
  2. Step 2: Convert to fraction form
    534,924.34/738,271.19 = 331,040.93/x
  3. Step 3: Cross multiply
    534,924.34x = 738,271.19 × 331,040.93
  4. Step 4: Simplify right side
    534,924.34x = 244,397,978,466.05
  5. Step 5: Solve for x
    x = 244,397,978,466.05/534,924.34
  6. Step 6: Final answer
    x = 456,883.27

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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.