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Finding the Fourth Proportional to 329,149.80, 454,202.10 and 185,909.40

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Solution

The fourth proportional to 329,149.80, 454,202.10 and 185,909.40 is: 256,541.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,149.80 : 454,202.10 = 185,909.40 : x
  2. Step 2: Convert to fraction form
    329,149.80/454,202.10 = 185,909.40/x
  3. Step 3: Cross multiply
    329,149.80x = 454,202.10 × 185,909.40
  4. Step 4: Simplify right side
    329,149.80x = 84,440,439,889.74
  5. Step 5: Solve for x
    x = 84,440,439,889.74/329,149.80
  6. Step 6: Final answer
    x = 256,541.06

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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.