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Finding the Fourth Proportional to 479,613.56, 661,871.30 and 264,749.00

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Solution

The fourth proportional to 479,613.56, 661,871.30 and 264,749.00 is: 365,356.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,613.56 : 661,871.30 = 264,749.00 : x
  2. Step 2: Convert to fraction form
    479,613.56/661,871.30 = 264,749.00/x
  3. Step 3: Cross multiply
    479,613.56x = 661,871.30 × 264,749.00
  4. Step 4: Simplify right side
    479,613.56x = 175,229,760,170.60
  5. Step 5: Solve for x
    x = 175,229,760,170.60/479,613.56
  6. Step 6: Final answer
    x = 365,356.15

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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.