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Finding the Fourth Proportional to 483,875.10, 667,709.70 and 269,002.08

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Solution

The fourth proportional to 483,875.10, 667,709.70 and 269,002.08 is: 371,201.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,875.10 : 667,709.70 = 269,002.08 : x
  2. Step 2: Convert to fraction form
    483,875.10/667,709.70 = 269,002.08/x
  3. Step 3: Cross multiply
    483,875.10x = 667,709.70 × 269,002.08
  4. Step 4: Simplify right side
    483,875.10x = 179,615,298,136.18
  5. Step 5: Solve for x
    x = 179,615,298,136.18/483,875.10
  6. Step 6: Final answer
    x = 371,201.78

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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.