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Finding the Fourth Proportional to 621,344.38, 932,027.91 and 194,870.68

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Solution

The fourth proportional to 621,344.38, 932,027.91 and 194,870.68 is: 292,309.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,344.38 : 932,027.91 = 194,870.68 : x
  2. Step 2: Convert to fraction form
    621,344.38/932,027.91 = 194,870.68/x
  3. Step 3: Cross multiply
    621,344.38x = 932,027.91 × 194,870.68
  4. Step 4: Simplify right side
    621,344.38x = 181,624,912,600.68
  5. Step 5: Solve for x
    x = 181,624,912,600.68/621,344.38
  6. Step 6: Final answer
    x = 292,309.58

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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.