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Finding the Fourth Proportional to 322,765.24, 445,409.64 and 179,522.20

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Solution

The fourth proportional to 322,765.24, 445,409.64 and 179,522.20 is: 247,737.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,765.24 : 445,409.64 = 179,522.20 : x
  2. Step 2: Convert to fraction form
    322,765.24/445,409.64 = 179,522.20/x
  3. Step 3: Cross multiply
    322,765.24x = 445,409.64 × 179,522.20
  4. Step 4: Simplify right side
    322,765.24x = 79,960,918,474.01
  5. Step 5: Solve for x
    x = 79,960,918,474.01/322,765.24
  6. Step 6: Final answer
    x = 247,737.08

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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.