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Finding the Fourth Proportional to 479,727.67, 662,034.50 and 264,881.31

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Solution

The fourth proportional to 479,727.67, 662,034.50 and 264,881.31 is: 365,541.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,727.67 : 662,034.50 = 264,881.31 : x
  2. Step 2: Convert to fraction form
    479,727.67/662,034.50 = 264,881.31/x
  3. Step 3: Cross multiply
    479,727.67x = 662,034.50 × 264,881.31
  4. Step 4: Simplify right side
    479,727.67x = 175,360,560,990.62
  5. Step 5: Solve for x
    x = 175,360,560,990.62/479,727.67
  6. Step 6: Final answer
    x = 365,541.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.