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Finding the Fourth Proportional to 608,418.78, 912,617.82 and 181,955.58

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Solution

The fourth proportional to 608,418.78, 912,617.82 and 181,955.58 is: 272,930.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,418.78 : 912,617.82 = 181,955.58 : x
  2. Step 2: Convert to fraction form
    608,418.78/912,617.82 = 181,955.58/x
  3. Step 3: Cross multiply
    608,418.78x = 912,617.82 × 181,955.58
  4. Step 4: Simplify right side
    608,418.78x = 166,055,904,756.44
  5. Step 5: Solve for x
    x = 166,055,904,756.44/608,418.78
  6. Step 6: Final answer
    x = 272,930.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.