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Finding the Fourth Proportional to 324,459.34, 447,749.22 and 181,221.46

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Solution

The fourth proportional to 324,459.34, 447,749.22 and 181,221.46 is: 250,083.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,459.34 : 447,749.22 = 181,221.46 : x
  2. Step 2: Convert to fraction form
    324,459.34/447,749.22 = 181,221.46/x
  3. Step 3: Cross multiply
    324,459.34x = 447,749.22 × 181,221.46
  4. Step 4: Simplify right side
    324,459.34x = 81,141,767,362.26
  5. Step 5: Solve for x
    x = 81,141,767,362.26/324,459.34
  6. Step 6: Final answer
    x = 250,083.01

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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.