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Finding the Fourth Proportional to 565,958.09, 781,079.46 and 324,272.72

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Solution

The fourth proportional to 565,958.09, 781,079.46 and 324,272.72 is: 447,529.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,958.09 : 781,079.46 = 324,272.72 : x
  2. Step 2: Convert to fraction form
    565,958.09/781,079.46 = 324,272.72/x
  3. Step 3: Cross multiply
    565,958.09x = 781,079.46 × 324,272.72
  4. Step 4: Simplify right side
    565,958.09x = 253,282,761,030.33
  5. Step 5: Solve for x
    x = 253,282,761,030.33/565,958.09
  6. Step 6: Final answer
    x = 447,529.18

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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.