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Finding the Fourth Proportional to 324,647.75, 448,012.94 and 181,407.89

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Solution

The fourth proportional to 324,647.75, 448,012.94 and 181,407.89 is: 250,342.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,647.75 : 448,012.94 = 181,407.89 : x
  2. Step 2: Convert to fraction form
    324,647.75/448,012.94 = 181,407.89/x
  3. Step 3: Cross multiply
    324,647.75x = 448,012.94 × 181,407.89
  4. Step 4: Simplify right side
    324,647.75x = 81,273,082,351.09
  5. Step 5: Solve for x
    x = 81,273,082,351.09/324,647.75
  6. Step 6: Final answer
    x = 250,342.35

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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.