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Finding the Fourth Proportional to 324,373.40, 447,635.94 and 181,133

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Solution

The fourth proportional to 324,373.40, 447,635.94 and 181,133 is: 249,963.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,373.40 : 447,635.94 = 181,133 : x
  2. Step 2: Convert to fraction form
    324,373.40/447,635.94 = 181,133/x
  3. Step 3: Cross multiply
    324,373.40x = 447,635.94 × 181,133
  4. Step 4: Simplify right side
    324,373.40x = 81,081,640,720.02
  5. Step 5: Solve for x
    x = 81,081,640,720.02/324,373.40
  6. Step 6: Final answer
    x = 249,963.90

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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.