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Finding the Fourth Proportional to 329,079.72, 454,103.82 and 185,853.72

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Solution

The fourth proportional to 329,079.72, 454,103.82 and 185,853.72 is: 256,463.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,079.72 : 454,103.82 = 185,853.72 : x
  2. Step 2: Convert to fraction form
    329,079.72/454,103.82 = 185,853.72/x
  3. Step 3: Cross multiply
    329,079.72x = 454,103.82 × 185,853.72
  4. Step 4: Simplify right side
    329,079.72x = 84,396,884,213.21
  5. Step 5: Solve for x
    x = 84,396,884,213.21/329,079.72
  6. Step 6: Final answer
    x = 256,463.34

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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.