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Finding the Fourth Proportional to 322,675.83, 445,256.55 and 179,427.33

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Solution

The fourth proportional to 322,675.83, 445,256.55 and 179,427.33 is: 247,589.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,675.83 : 445,256.55 = 179,427.33 : x
  2. Step 2: Convert to fraction form
    322,675.83/445,256.55 = 179,427.33/x
  3. Step 3: Cross multiply
    322,675.83x = 445,256.55 × 179,427.33
  4. Step 4: Simplify right side
    322,675.83x = 79,891,193,931.51
  5. Step 5: Solve for x
    x = 79,891,193,931.51/322,675.83
  6. Step 6: Final answer
    x = 247,589.64

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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.