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Finding the Fourth Proportional to 324,411.57, 447,655.98 and 181,168.54

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Solution

The fourth proportional to 324,411.57, 447,655.98 and 181,168.54 is: 249,994.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,411.57 : 447,655.98 = 181,168.54 : x
  2. Step 2: Convert to fraction form
    324,411.57/447,655.98 = 181,168.54/x
  3. Step 3: Cross multiply
    324,411.57x = 447,655.98 × 181,168.54
  4. Step 4: Simplify right side
    324,411.57x = 81,101,180,318.87
  5. Step 5: Solve for x
    x = 81,101,180,318.87/324,411.57
  6. Step 6: Final answer
    x = 249,994.72

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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.