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Finding the Fourth Proportional to 577,236.04, 865,940.10 and 177,843.40

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Solution

The fourth proportional to 577,236.04, 865,940.10 and 177,843.40 is: 266,791.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,236.04 : 865,940.10 = 177,843.40 : x
  2. Step 2: Convert to fraction form
    577,236.04/865,940.10 = 177,843.40/x
  3. Step 3: Cross multiply
    577,236.04x = 865,940.10 × 177,843.40
  4. Step 4: Simplify right side
    577,236.04x = 154,001,731,580.34
  5. Step 5: Solve for x
    x = 154,001,731,580.34/577,236.04
  6. Step 6: Final answer
    x = 266,791.61

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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.