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Finding the Fourth Proportional to 322,898.64, 484,085.52 and 112,684.20

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Solution

The fourth proportional to 322,898.64, 484,085.52 and 112,684.20 is: 168,934.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,898.64 : 484,085.52 = 112,684.20 : x
  2. Step 2: Convert to fraction form
    322,898.64/484,085.52 = 112,684.20/x
  3. Step 3: Cross multiply
    322,898.64x = 484,085.52 × 112,684.20
  4. Step 4: Simplify right side
    322,898.64x = 54,548,788,989.36
  5. Step 5: Solve for x
    x = 54,548,788,989.36/322,898.64
  6. Step 6: Final answer
    x = 168,934.71

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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.