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Finding the Fourth Proportional to 304,047, 419,610.78 and 169,936.92

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Solution

The fourth proportional to 304,047, 419,610.78 and 169,936.92 is: 234,527.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,047 : 419,610.78 = 169,936.92 : x
  2. Step 2: Convert to fraction form
    304,047/419,610.78 = 169,936.92/x
  3. Step 3: Cross multiply
    304,047x = 419,610.78 × 169,936.92
  4. Step 4: Simplify right side
    304,047x = 71,307,363,552.00
  5. Step 5: Solve for x
    x = 71,307,363,552.00/304,047
  6. Step 6: Final answer
    x = 234,527.44

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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.