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Finding the Fourth Proportional to 322,513.74, 445,030.29 and 177,295.59

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Solution

The fourth proportional to 322,513.74, 445,030.29 and 177,295.59 is: 244,646.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,513.74 : 445,030.29 = 177,295.59 : x
  2. Step 2: Convert to fraction form
    322,513.74/445,030.29 = 177,295.59/x
  3. Step 3: Cross multiply
    322,513.74x = 445,030.29 × 177,295.59
  4. Step 4: Simplify right side
    322,513.74x = 78,901,907,833.42
  5. Step 5: Solve for x
    x = 78,901,907,833.42/322,513.74
  6. Step 6: Final answer
    x = 244,646.66

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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.