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Finding the Fourth Proportional to 479,662.77, 661,930.65 and 264,798.25

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Solution

The fourth proportional to 479,662.77, 661,930.65 and 264,798.25 is: 365,419.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,662.77 : 661,930.65 = 264,798.25 : x
  2. Step 2: Convert to fraction form
    479,662.77/661,930.65 = 264,798.25/x
  3. Step 3: Cross multiply
    479,662.77x = 661,930.65 × 264,798.25
  4. Step 4: Simplify right side
    479,662.77x = 175,278,077,741.36
  5. Step 5: Solve for x
    x = 175,278,077,741.36/479,662.77
  6. Step 6: Final answer
    x = 365,419.39

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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.