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Finding the Fourth Proportional to 304,822.82, 420,662.24 and 173,997.80

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Solution

The fourth proportional to 304,822.82, 420,662.24 and 173,997.80 is: 240,120.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,822.82 : 420,662.24 = 173,997.80 : x
  2. Step 2: Convert to fraction form
    304,822.82/420,662.24 = 173,997.80/x
  3. Step 3: Cross multiply
    304,822.82x = 420,662.24 × 173,997.80
  4. Step 4: Simplify right side
    304,822.82x = 73,194,304,303.07
  5. Step 5: Solve for x
    x = 73,194,304,303.07/304,822.82
  6. Step 6: Final answer
    x = 240,120.82

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1.5x scale

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.