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Finding the Fourth Proportional to 306,682.47, 423,193.82 and 179,335.89

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Solution

The fourth proportional to 306,682.47, 423,193.82 and 179,335.89 is: 247,467.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,682.47 : 423,193.82 = 179,335.89 : x
  2. Step 2: Convert to fraction form
    306,682.47/423,193.82 = 179,335.89/x
  3. Step 3: Cross multiply
    306,682.47x = 423,193.82 × 179,335.89
  4. Step 4: Simplify right side
    306,682.47x = 75,893,839,455.52
  5. Step 5: Solve for x
    x = 75,893,839,455.52/306,682.47
  6. Step 6: Final answer
    x = 247,467.16

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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.