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Finding the Fourth Proportional to 454,843.22, 682,264.82 and 255,303.77

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Solution

The fourth proportional to 454,843.22, 682,264.82 and 255,303.77 is: 382,955.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,843.22 : 682,264.82 = 255,303.77 : x
  2. Step 2: Convert to fraction form
    454,843.22/682,264.82 = 255,303.77/x
  3. Step 3: Cross multiply
    454,843.22x = 682,264.82 × 255,303.77
  4. Step 4: Simplify right side
    454,843.22x = 174,184,777,911.31
  5. Step 5: Solve for x
    x = 174,184,777,911.31/454,843.22
  6. Step 6: Final answer
    x = 382,955.65

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.