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Finding the Fourth Proportional to 479,523.86, 661,695.81 and 264,650.05

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Solution

The fourth proportional to 479,523.86, 661,695.81 and 264,650.05 is: 365,191.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,523.86 : 661,695.81 = 264,650.05 : x
  2. Step 2: Convert to fraction form
    479,523.86/661,695.81 = 264,650.05/x
  3. Step 3: Cross multiply
    479,523.86x = 661,695.81 × 264,650.05
  4. Step 4: Simplify right side
    479,523.86x = 175,117,825,892.81
  5. Step 5: Solve for x
    x = 175,117,825,892.81/479,523.86
  6. Step 6: Final answer
    x = 365,191.06

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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.