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Finding the Fourth Proportional to 302,280.66, 417,103.29 and 181,396.26

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Solution

The fourth proportional to 302,280.66, 417,103.29 and 181,396.26 is: 250,300.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,280.66 : 417,103.29 = 181,396.26 : x
  2. Step 2: Convert to fraction form
    302,280.66/417,103.29 = 181,396.26/x
  3. Step 3: Cross multiply
    302,280.66x = 417,103.29 × 181,396.26
  4. Step 4: Simplify right side
    302,280.66x = 75,660,976,839.70
  5. Step 5: Solve for x
    x = 75,660,976,839.70/302,280.66
  6. Step 6: Final answer
    x = 250,300.42

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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.