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Finding the Fourth Proportional to 479,613.16, 661,866.29 and 264,753.37

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Solution

The fourth proportional to 479,613.16, 661,866.29 and 264,753.37 is: 365,359.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,613.16 : 661,866.29 = 264,753.37 : x
  2. Step 2: Convert to fraction form
    479,613.16/661,866.29 = 264,753.37/x
  3. Step 3: Cross multiply
    479,613.16x = 661,866.29 × 264,753.37
  4. Step 4: Simplify right side
    479,613.16x = 175,231,330,766.90
  5. Step 5: Solve for x
    x = 175,231,330,766.90/479,613.16
  6. Step 6: Final answer
    x = 365,359.72

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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.