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Finding the Fourth Proportional to 469,204.11, 647,491.32 and 254,338.65

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Solution

The fourth proportional to 469,204.11, 647,491.32 and 254,338.65 is: 350,981.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,204.11 : 647,491.32 = 254,338.65 : x
  2. Step 2: Convert to fraction form
    469,204.11/647,491.32 = 254,338.65/x
  3. Step 3: Cross multiply
    469,204.11x = 647,491.32 × 254,338.65
  4. Step 4: Simplify right side
    469,204.11x = 164,682,068,215.52
  5. Step 5: Solve for x
    x = 164,682,068,215.52/469,204.11
  6. Step 6: Final answer
    x = 350,981.73

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1.5x scale

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.