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Finding the Fourth Proportional to 577,119.45, 865,679.39 and 150,654.07

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Solution

The fourth proportional to 577,119.45, 865,679.39 and 150,654.07 is: 225,981.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,119.45 : 865,679.39 = 150,654.07 : x
  2. Step 2: Convert to fraction form
    577,119.45/865,679.39 = 150,654.07/x
  3. Step 3: Cross multiply
    577,119.45x = 865,679.39 × 150,654.07
  4. Step 4: Simplify right side
    577,119.45x = 130,418,123,418.62
  5. Step 5: Solve for x
    x = 130,418,123,418.62/577,119.45
  6. Step 6: Final answer
    x = 225,981.16

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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.