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Finding the Fourth Proportional to 322,412.58, 444,894.04 and 186,425.95

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Solution

The fourth proportional to 322,412.58, 444,894.04 and 186,425.95 is: 257,247.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,412.58 : 444,894.04 = 186,425.95 : x
  2. Step 2: Convert to fraction form
    322,412.58/444,894.04 = 186,425.95/x
  3. Step 3: Cross multiply
    322,412.58x = 444,894.04 × 186,425.95
  4. Step 4: Simplify right side
    322,412.58x = 82,939,794,056.34
  5. Step 5: Solve for x
    x = 82,939,794,056.34/322,412.58
  6. Step 6: Final answer
    x = 257,247.39

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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.