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Finding the Fourth Proportional to 479,351.22, 661,518.53 and 264,505.12

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Solution

The fourth proportional to 479,351.22, 661,518.53 and 264,505.12 is: 365,024.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,351.22 : 661,518.53 = 264,505.12 : x
  2. Step 2: Convert to fraction form
    479,351.22/661,518.53 = 264,505.12/x
  3. Step 3: Cross multiply
    479,351.22x = 661,518.53 × 264,505.12
  4. Step 4: Simplify right side
    479,351.22x = 174,975,033,529.76
  5. Step 5: Solve for x
    x = 174,975,033,529.76/479,351.22
  6. Step 6: Final answer
    x = 365,024.70

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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.