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Finding the Fourth Proportional to 326,017.70, 488,974.08 and 89,305.04

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Solution

The fourth proportional to 326,017.70, 488,974.08 and 89,305.04 is: 133,943.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,017.70 : 488,974.08 = 89,305.04 : x
  2. Step 2: Convert to fraction form
    326,017.70/488,974.08 = 89,305.04/x
  3. Step 3: Cross multiply
    326,017.70x = 488,974.08 × 89,305.04
  4. Step 4: Simplify right side
    326,017.70x = 43,667,849,773.36
  5. Step 5: Solve for x
    x = 43,667,849,773.36/326,017.70
  6. Step 6: Final answer
    x = 133,943.19

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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.