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Finding the Fourth Proportional to 479,357.96, 661,527.84 and 264,511.86

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Solution

The fourth proportional to 479,357.96, 661,527.84 and 264,511.86 is: 365,034.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,357.96 : 661,527.84 = 264,511.86 : x
  2. Step 2: Convert to fraction form
    479,357.96/661,527.84 = 264,511.86/x
  3. Step 3: Cross multiply
    479,357.96x = 661,527.84 × 264,511.86
  4. Step 4: Simplify right side
    479,357.96x = 174,981,959,400.18
  5. Step 5: Solve for x
    x = 174,981,959,400.18/479,357.96
  6. Step 6: Final answer
    x = 365,034.01

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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.