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Finding the Fourth Proportional to 294,012.51, 405,754.97 and 173,234.30

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Solution

The fourth proportional to 294,012.51, 405,754.97 and 173,234.30 is: 239,073.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,012.51 : 405,754.97 = 173,234.30 : x
  2. Step 2: Convert to fraction form
    294,012.51/405,754.97 = 173,234.30/x
  3. Step 3: Cross multiply
    294,012.51x = 405,754.97 × 173,234.30
  4. Step 4: Simplify right side
    294,012.51x = 70,290,675,304.52
  5. Step 5: Solve for x
    x = 70,290,675,304.52/294,012.51
  6. Step 6: Final answer
    x = 239,073.76

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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.