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Finding the Fourth Proportional to 479,618.04, 661,874.48 and 264,757.60

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Solution

The fourth proportional to 479,618.04, 661,874.48 and 264,757.60 is: 365,366.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,618.04 : 661,874.48 = 264,757.60 : x
  2. Step 2: Convert to fraction form
    479,618.04/661,874.48 = 264,757.60/x
  3. Step 3: Cross multiply
    479,618.04x = 661,874.48 × 264,757.60
  4. Step 4: Simplify right side
    479,618.04x = 175,236,298,826.05
  5. Step 5: Solve for x
    x = 175,236,298,826.05/479,618.04
  6. Step 6: Final answer
    x = 365,366.36

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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.