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Finding the Fourth Proportional to 324,419.37, 447,633.76 and 181,157.37

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Solution

The fourth proportional to 324,419.37, 447,633.76 and 181,157.37 is: 249,960.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,419.37 : 447,633.76 = 181,157.37 : x
  2. Step 2: Convert to fraction form
    324,419.37/447,633.76 = 181,157.37/x
  3. Step 3: Cross multiply
    324,419.37x = 447,633.76 × 181,157.37
  4. Step 4: Simplify right side
    324,419.37x = 81,092,154,684.81
  5. Step 5: Solve for x
    x = 81,092,154,684.81/324,419.37
  6. Step 6: Final answer
    x = 249,960.89

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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.