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Finding the Fourth Proportional to 322,634.68, 445,246.14 and 179,400.76

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Solution

The fourth proportional to 322,634.68, 445,246.14 and 179,400.76 is: 247,578.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,634.68 : 445,246.14 = 179,400.76 : x
  2. Step 2: Convert to fraction form
    322,634.68/445,246.14 = 179,400.76/x
  3. Step 3: Cross multiply
    322,634.68x = 445,246.14 × 179,400.76
  4. Step 4: Simplify right side
    322,634.68x = 79,877,495,903.07
  5. Step 5: Solve for x
    x = 79,877,495,903.07/322,634.68
  6. Step 6: Final answer
    x = 247,578.77

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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.