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Finding the Fourth Proportional to 479,568.98, 661,805.24 and 264,709.10

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Solution

The fourth proportional to 479,568.98, 661,805.24 and 264,709.10 is: 365,298.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,568.98 : 661,805.24 = 264,709.10 : x
  2. Step 2: Convert to fraction form
    479,568.98/661,805.24 = 264,709.10/x
  3. Step 3: Cross multiply
    479,568.98x = 661,805.24 × 264,709.10
  4. Step 4: Simplify right side
    479,568.98x = 175,185,869,786.65
  5. Step 5: Solve for x
    x = 175,185,869,786.65/479,568.98
  6. Step 6: Final answer
    x = 365,298.58

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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.