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Finding the Fourth Proportional to 561,529.34, 842,687.66 and 324,546.02

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Solution

The fourth proportional to 561,529.34, 842,687.66 and 324,546.02 is: 487,046.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,529.34 : 842,687.66 = 324,546.02 : x
  2. Step 2: Convert to fraction form
    561,529.34/842,687.66 = 324,546.02/x
  3. Step 3: Cross multiply
    561,529.34x = 842,687.66 × 324,546.02
  4. Step 4: Simplify right side
    561,529.34x = 273,490,922,754.04
  5. Step 5: Solve for x
    x = 273,490,922,754.04/561,529.34
  6. Step 6: Final answer
    x = 487,046.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.