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Finding the Fourth Proportional to 268,646.68, 370,981.38 and 173,317.24

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Solution

The fourth proportional to 268,646.68, 370,981.38 and 173,317.24 is: 239,338.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,646.68 : 370,981.38 = 173,317.24 : x
  2. Step 2: Convert to fraction form
    268,646.68/370,981.38 = 173,317.24/x
  3. Step 3: Cross multiply
    268,646.68x = 370,981.38 × 173,317.24
  4. Step 4: Simplify right side
    268,646.68x = 64,297,468,872.99
  5. Step 5: Solve for x
    x = 64,297,468,872.99/268,646.68
  6. Step 6: Final answer
    x = 239,338.41

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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.