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Finding the Fourth Proportional to 479,642.01, 661,911.24 and 264,782.22

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Solution

The fourth proportional to 479,642.01, 661,911.24 and 264,782.22 is: 365,402.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,642.01 : 661,911.24 = 264,782.22 : x
  2. Step 2: Convert to fraction form
    479,642.01/661,911.24 = 264,782.22/x
  3. Step 3: Cross multiply
    479,642.01x = 661,911.24 × 264,782.22
  4. Step 4: Simplify right side
    479,642.01x = 175,262,327,570.15
  5. Step 5: Solve for x
    x = 175,262,327,570.15/479,642.01
  6. Step 6: Final answer
    x = 365,402.37

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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.