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Finding the Fourth Proportional to 324,665.58, 448,029.90 and 181,426.80

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Solution

The fourth proportional to 324,665.58, 448,029.90 and 181,426.80 is: 250,364.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,665.58 : 448,029.90 = 181,426.80 : x
  2. Step 2: Convert to fraction form
    324,665.58/448,029.90 = 181,426.80/x
  3. Step 3: Cross multiply
    324,665.58x = 448,029.90 × 181,426.80
  4. Step 4: Simplify right side
    324,665.58x = 81,284,631,061.32
  5. Step 5: Solve for x
    x = 81,284,631,061.32/324,665.58
  6. Step 6: Final answer
    x = 250,364.18

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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.