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Finding the Fourth Proportional to 577,393.56, 866,034.66 and 177,927.06

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Solution

The fourth proportional to 577,393.56, 866,034.66 and 177,927.06 is: 266,873.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,393.56 : 866,034.66 = 177,927.06 : x
  2. Step 2: Convert to fraction form
    577,393.56/866,034.66 = 177,927.06/x
  3. Step 3: Cross multiply
    577,393.56x = 866,034.66 × 177,927.06
  4. Step 4: Simplify right side
    577,393.56x = 154,091,000,911.90
  5. Step 5: Solve for x
    x = 154,091,000,911.90/577,393.56
  6. Step 6: Final answer
    x = 266,873.43

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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.