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Finding the Fourth Proportional to 325,756.06, 448,981.82 and 216,665.17

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Solution

The fourth proportional to 325,756.06, 448,981.82 and 216,665.17 is: 298,624.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,756.06 : 448,981.82 = 216,665.17 : x
  2. Step 2: Convert to fraction form
    325,756.06/448,981.82 = 216,665.17/x
  3. Step 3: Cross multiply
    325,756.06x = 448,981.82 × 216,665.17
  4. Step 4: Simplify right side
    325,756.06x = 97,278,722,357.21
  5. Step 5: Solve for x
    x = 97,278,722,357.21/325,756.06
  6. Step 6: Final answer
    x = 298,624.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.