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Finding the Fourth Proportional to 322,937.37, 445,657.61 and 177,759.93

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Solution

The fourth proportional to 322,937.37, 445,657.61 and 177,759.93 is: 245,310.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,937.37 : 445,657.61 = 177,759.93 : x
  2. Step 2: Convert to fraction form
    322,937.37/445,657.61 = 177,759.93/x
  3. Step 3: Cross multiply
    322,937.37x = 445,657.61 × 177,759.93
  4. Step 4: Simplify right side
    322,937.37x = 79,220,064,668.77
  5. Step 5: Solve for x
    x = 79,220,064,668.77/322,937.37
  6. Step 6: Final answer
    x = 245,310.92

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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.