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Finding the Fourth Proportional to 308,304.29, 462,176.17 and 118,643.72

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Solution

The fourth proportional to 308,304.29, 462,176.17 and 118,643.72 is: 177,857.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,304.29 : 462,176.17 = 118,643.72 : x
  2. Step 2: Convert to fraction form
    308,304.29/462,176.17 = 118,643.72/x
  3. Step 3: Cross multiply
    308,304.29x = 462,176.17 × 118,643.72
  4. Step 4: Simplify right side
    308,304.29x = 54,834,297,496.66
  5. Step 5: Solve for x
    x = 54,834,297,496.66/308,304.29
  6. Step 6: Final answer
    x = 177,857.72

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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.