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Finding the Fourth Proportional to 483,555.36, 667,256.52 and 268,671.66

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Solution

The fourth proportional to 483,555.36, 667,256.52 and 268,671.66 is: 370,739.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,555.36 : 667,256.52 = 268,671.66 : x
  2. Step 2: Convert to fraction form
    483,555.36/667,256.52 = 268,671.66/x
  3. Step 3: Cross multiply
    483,555.36x = 667,256.52 × 268,671.66
  4. Step 4: Simplify right side
    483,555.36x = 179,272,916,874.22
  5. Step 5: Solve for x
    x = 179,272,916,874.22/483,555.36
  6. Step 6: Final answer
    x = 370,739.18

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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.