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Finding the Fourth Proportional to 329,136.39, 454,208.54 and 185,896.71

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Solution

The fourth proportional to 329,136.39, 454,208.54 and 185,896.71 is: 256,537.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,136.39 : 454,208.54 = 185,896.71 : x
  2. Step 2: Convert to fraction form
    329,136.39/454,208.54 = 185,896.71/x
  3. Step 3: Cross multiply
    329,136.39x = 454,208.54 × 185,896.71
  4. Step 4: Simplify right side
    329,136.39x = 84,435,872,310.42
  5. Step 5: Solve for x
    x = 84,435,872,310.42/329,136.39
  6. Step 6: Final answer
    x = 256,537.64

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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.