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Finding the Fourth Proportional to 326,158.94, 488,601.75 and 224,717.68

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Solution

The fourth proportional to 326,158.94, 488,601.75 and 224,717.68 is: 336,637.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,158.94 : 488,601.75 = 224,717.68 : x
  2. Step 2: Convert to fraction form
    326,158.94/488,601.75 = 224,717.68/x
  3. Step 3: Cross multiply
    326,158.94x = 488,601.75 × 224,717.68
  4. Step 4: Simplify right side
    326,158.94x = 109,797,450,061.09
  5. Step 5: Solve for x
    x = 109,797,450,061.09/326,158.94
  6. Step 6: Final answer
    x = 336,637.87

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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.