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Finding the Fourth Proportional to 323,079.15, 445,987.08 and 230,004.88

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Solution

The fourth proportional to 323,079.15, 445,987.08 and 230,004.88 is: 317,504.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,079.15 : 445,987.08 = 230,004.88 : x
  2. Step 2: Convert to fraction form
    323,079.15/445,987.08 = 230,004.88/x
  3. Step 3: Cross multiply
    323,079.15x = 445,987.08 × 230,004.88
  4. Step 4: Simplify right side
    323,079.15x = 102,579,203,701.98
  5. Step 5: Solve for x
    x = 102,579,203,701.98/323,079.15
  6. Step 6: Final answer
    x = 317,504.87

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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.