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Finding the Fourth Proportional to 479,508.42, 661,718.36 and 264,648.48

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Solution

The fourth proportional to 479,508.42, 661,718.36 and 264,648.48 is: 365,213.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,508.42 : 661,718.36 = 264,648.48 : x
  2. Step 2: Convert to fraction form
    479,508.42/661,718.36 = 264,648.48/x
  3. Step 3: Cross multiply
    479,508.42x = 661,718.36 × 264,648.48
  4. Step 4: Simplify right side
    479,508.42x = 175,122,758,162.09
  5. Step 5: Solve for x
    x = 175,122,758,162.09/479,508.42
  6. Step 6: Final answer
    x = 365,213.10

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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.