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Finding the Fourth Proportional to 479,636.04, 661,880.39 and 264,771.49

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Solution

The fourth proportional to 479,636.04, 661,880.39 and 264,771.49 is: 365,375.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,636.04 : 661,880.39 = 264,771.49 : x
  2. Step 2: Convert to fraction form
    479,636.04/661,880.39 = 264,771.49/x
  3. Step 3: Cross multiply
    479,636.04x = 661,880.39 × 264,771.49
  4. Step 4: Simplify right side
    479,636.04x = 175,247,057,062.08
  5. Step 5: Solve for x
    x = 175,247,057,062.08/479,636.04
  6. Step 6: Final answer
    x = 365,375.08

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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.