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Finding the Fourth Proportional to 463,900.57, 640,171.96 and 272,926.26

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Solution

The fourth proportional to 463,900.57, 640,171.96 and 272,926.26 is: 376,631.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,900.57 : 640,171.96 = 272,926.26 : x
  2. Step 2: Convert to fraction form
    463,900.57/640,171.96 = 272,926.26/x
  3. Step 3: Cross multiply
    463,900.57x = 640,171.96 × 272,926.26
  4. Step 4: Simplify right side
    463,900.57x = 174,719,738,117.35
  5. Step 5: Solve for x
    x = 174,719,738,117.35/463,900.57
  6. Step 6: Final answer
    x = 376,631.87

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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.