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Finding the Fourth Proportional to 308,497.32, 425,729.52 and 181,175.04

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Solution

The fourth proportional to 308,497.32, 425,729.52 and 181,175.04 is: 250,023.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,497.32 : 425,729.52 = 181,175.04 : x
  2. Step 2: Convert to fraction form
    308,497.32/425,729.52 = 181,175.04/x
  3. Step 3: Cross multiply
    308,497.32x = 425,729.52 × 181,175.04
  4. Step 4: Simplify right side
    308,497.32x = 77,131,562,815.18
  5. Step 5: Solve for x
    x = 77,131,562,815.18/308,497.32
  6. Step 6: Final answer
    x = 250,023.45

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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.