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Finding the Fourth Proportional to 308,853.36, 462,962.79 and 175,448.79

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Solution

The fourth proportional to 308,853.36, 462,962.79 and 175,448.79 is: 262,992.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,853.36 : 462,962.79 = 175,448.79 : x
  2. Step 2: Convert to fraction form
    308,853.36/462,962.79 = 175,448.79/x
  3. Step 3: Cross multiply
    308,853.36x = 462,962.79 × 175,448.79
  4. Step 4: Simplify right side
    308,853.36x = 81,226,261,320.52
  5. Step 5: Solve for x
    x = 81,226,261,320.52/308,853.36
  6. Step 6: Final answer
    x = 262,992.97

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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.