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Finding the Fourth Proportional to 322,594.40, 445,155.04 and 179,345.72

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Solution

The fourth proportional to 322,594.40, 445,155.04 and 179,345.72 is: 247,483.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,594.40 : 445,155.04 = 179,345.72 : x
  2. Step 2: Convert to fraction form
    322,594.40/445,155.04 = 179,345.72/x
  3. Step 3: Cross multiply
    322,594.40x = 445,155.04 × 179,345.72
  4. Step 4: Simplify right side
    322,594.40x = 79,836,651,160.43
  5. Step 5: Solve for x
    x = 79,836,651,160.43/322,594.40
  6. Step 6: Final answer
    x = 247,483.07

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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.