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Finding the Fourth Proportional to 322,698.83, 445,316.60 and 175,519.91

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Solution

The fourth proportional to 322,698.83, 445,316.60 and 175,519.91 is: 242,213.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,698.83 : 445,316.60 = 175,519.91 : x
  2. Step 2: Convert to fraction form
    322,698.83/445,316.60 = 175,519.91/x
  3. Step 3: Cross multiply
    322,698.83x = 445,316.60 × 175,519.91
  4. Step 4: Simplify right side
    322,698.83x = 78,161,926,449.32
  5. Step 5: Solve for x
    x = 78,161,926,449.32/322,698.83
  6. Step 6: Final answer
    x = 242,213.24

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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.