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Finding the Fourth Proportional to 308,877.72, 462,660.48 and 175,689.42

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Solution

The fourth proportional to 308,877.72, 462,660.48 and 175,689.42 is: 263,160.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,877.72 : 462,660.48 = 175,689.42 : x
  2. Step 2: Convert to fraction form
    308,877.72/462,660.48 = 175,689.42/x
  3. Step 3: Cross multiply
    308,877.72x = 462,660.48 × 175,689.42
  4. Step 4: Simplify right side
    308,877.72x = 81,284,551,388.12
  5. Step 5: Solve for x
    x = 81,284,551,388.12/308,877.72
  6. Step 6: Final answer
    x = 263,160.94

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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.