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Finding the Fourth Proportional to 324,415.92, 447,629.04 and 181,153.92

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Solution

The fourth proportional to 324,415.92, 447,629.04 and 181,153.92 is: 249,956.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,415.92 : 447,629.04 = 181,153.92 : x
  2. Step 2: Convert to fraction form
    324,415.92/447,629.04 = 181,153.92/x
  3. Step 3: Cross multiply
    324,415.92x = 447,629.04 × 181,153.92
  4. Step 4: Simplify right side
    324,415.92x = 81,089,755,301.84
  5. Step 5: Solve for x
    x = 81,089,755,301.84/324,415.92
  6. Step 6: Final answer
    x = 249,956.15

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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.