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Finding the Fourth Proportional to 577,244.70, 865,961.82 and 177,885.54

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Solution

The fourth proportional to 577,244.70, 865,961.82 and 177,885.54 is: 266,857.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,244.70 : 865,961.82 = 177,885.54 : x
  2. Step 2: Convert to fraction form
    577,244.70/865,961.82 = 177,885.54/x
  3. Step 3: Cross multiply
    577,244.70x = 865,961.82 × 177,885.54
  4. Step 4: Simplify right side
    577,244.70x = 154,042,085,970.08
  5. Step 5: Solve for x
    x = 154,042,085,970.08/577,244.70
  6. Step 6: Final answer
    x = 266,857.51

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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.