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Finding the Fourth Proportional to 322,759.74, 445,430.70 and 179,533.11

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Solution

The fourth proportional to 322,759.74, 445,430.70 and 179,533.11 is: 247,768.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,759.74 : 445,430.70 = 179,533.11 : x
  2. Step 2: Convert to fraction form
    322,759.74/445,430.70 = 179,533.11/x
  3. Step 3: Cross multiply
    322,759.74x = 445,430.70 × 179,533.11
  4. Step 4: Simplify right side
    322,759.74x = 79,969,558,860.48
  5. Step 5: Solve for x
    x = 79,969,558,860.48/322,759.74
  6. Step 6: Final answer
    x = 247,768.07

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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.