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Finding the Fourth Proportional to 323,038.71, 445,785.48 and 177,843.29

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Solution

The fourth proportional to 323,038.71, 445,785.48 and 177,843.29 is: 245,419.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,038.71 : 445,785.48 = 177,843.29 : x
  2. Step 2: Convert to fraction form
    323,038.71/445,785.48 = 177,843.29/x
  3. Step 3: Cross multiply
    323,038.71x = 445,785.48 × 177,843.29
  4. Step 4: Simplify right side
    323,038.71x = 79,279,954,168.50
  5. Step 5: Solve for x
    x = 79,279,954,168.50/323,038.71
  6. Step 6: Final answer
    x = 245,419.36

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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.