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Finding the Fourth Proportional to 322,682.63, 484,244.47 and 112,320.57

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Solution

The fourth proportional to 322,682.63, 484,244.47 and 112,320.57 is: 168,557.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,682.63 : 484,244.47 = 112,320.57 : x
  2. Step 2: Convert to fraction form
    322,682.63/484,244.47 = 112,320.57/x
  3. Step 3: Cross multiply
    322,682.63x = 484,244.47 × 112,320.57
  4. Step 4: Simplify right side
    322,682.63x = 54,390,614,889.75
  5. Step 5: Solve for x
    x = 54,390,614,889.75/322,682.63
  6. Step 6: Final answer
    x = 168,557.62

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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.