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Finding the Fourth Proportional to 479,604.72, 661,854.64 and 264,744.93

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Solution

The fourth proportional to 479,604.72, 661,854.64 and 264,744.93 is: 365,348.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,604.72 : 661,854.64 = 264,744.93 : x
  2. Step 2: Convert to fraction form
    479,604.72/661,854.64 = 264,744.93/x
  3. Step 3: Cross multiply
    479,604.72x = 661,854.64 × 264,744.93
  4. Step 4: Simplify right side
    479,604.72x = 175,222,660,336.98
  5. Step 5: Solve for x
    x = 175,222,660,336.98/479,604.72
  6. Step 6: Final answer
    x = 365,348.07

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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.