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Finding the Fourth Proportional to 324,249.66, 447,457.10 and 181,023.03

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Solution

The fourth proportional to 324,249.66, 447,457.10 and 181,023.03 is: 249,807.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,249.66 : 447,457.10 = 181,023.03 : x
  2. Step 2: Convert to fraction form
    324,249.66/447,457.10 = 181,023.03/x
  3. Step 3: Cross multiply
    324,249.66x = 447,457.10 × 181,023.03
  4. Step 4: Simplify right side
    324,249.66x = 81,000,039,131.90
  5. Step 5: Solve for x
    x = 81,000,039,131.90/324,249.66
  6. Step 6: Final answer
    x = 249,807.63

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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.