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Finding the Fourth Proportional to 479,351.32, 661,518.56 and 264,505.22

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Solution

The fourth proportional to 479,351.32, 661,518.56 and 264,505.22 is: 365,024.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,351.32 : 661,518.56 = 264,505.22 : x
  2. Step 2: Convert to fraction form
    479,351.32/661,518.56 = 264,505.22/x
  3. Step 3: Cross multiply
    479,351.32x = 661,518.56 × 264,505.22
  4. Step 4: Simplify right side
    479,351.32x = 174,975,111,337.81
  5. Step 5: Solve for x
    x = 174,975,111,337.81/479,351.32
  6. Step 6: Final answer
    x = 365,024.79

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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.