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Finding the Fourth Proportional to 324,657.59, 448,019.13 and 181,418.81

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Solution

The fourth proportional to 324,657.59, 448,019.13 and 181,418.81 is: 250,353.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,657.59 : 448,019.13 = 181,418.81 : x
  2. Step 2: Convert to fraction form
    324,657.59/448,019.13 = 181,418.81/x
  3. Step 3: Cross multiply
    324,657.59x = 448,019.13 × 181,418.81
  4. Step 4: Simplify right side
    324,657.59x = 81,279,097,421.84
  5. Step 5: Solve for x
    x = 81,279,097,421.84/324,657.59
  6. Step 6: Final answer
    x = 250,353.30

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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.