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Finding the Fourth Proportional to 483,892.32, 667,756.80 and 269,037.12

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Solution

The fourth proportional to 483,892.32, 667,756.80 and 269,037.12 is: 371,263.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,892.32 : 667,756.80 = 269,037.12 : x
  2. Step 2: Convert to fraction form
    483,892.32/667,756.80 = 269,037.12/x
  3. Step 3: Cross multiply
    483,892.32x = 667,756.80 × 269,037.12
  4. Step 4: Simplify right side
    483,892.32x = 179,651,366,332.42
  5. Step 5: Solve for x
    x = 179,651,366,332.42/483,892.32
  6. Step 6: Final answer
    x = 371,263.11

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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.