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Finding the Fourth Proportional to 308,365.80, 462,614.66 and 92,241.47

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Solution

The fourth proportional to 308,365.80, 462,614.66 and 92,241.47 is: 138,381.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,365.80 : 462,614.66 = 92,241.47 : x
  2. Step 2: Convert to fraction form
    308,365.80/462,614.66 = 92,241.47/x
  3. Step 3: Cross multiply
    308,365.80x = 462,614.66 × 92,241.47
  4. Step 4: Simplify right side
    308,365.80x = 42,672,255,036.42
  5. Step 5: Solve for x
    x = 42,672,255,036.42/308,365.80
  6. Step 6: Final answer
    x = 138,381.93

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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.