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Finding the Fourth Proportional to 479,004.48, 661,010.94 and 264,153.60

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Solution

The fourth proportional to 479,004.48, 661,010.94 and 264,153.60 is: 364,523.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,004.48 : 661,010.94 = 264,153.60 : x
  2. Step 2: Convert to fraction form
    479,004.48/661,010.94 = 264,153.60/x
  3. Step 3: Cross multiply
    479,004.48x = 661,010.94 × 264,153.60
  4. Step 4: Simplify right side
    479,004.48x = 174,608,419,440.38
  5. Step 5: Solve for x
    x = 174,608,419,440.38/479,004.48
  6. Step 6: Final answer
    x = 364,523.56

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1.5x scale

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.