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Finding the Fourth Proportional to 329,382.70, 454,536.28 and 186,139.60

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Solution

The fourth proportional to 329,382.70, 454,536.28 and 186,139.60 is: 256,865.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,382.70 : 454,536.28 = 186,139.60 : x
  2. Step 2: Convert to fraction form
    329,382.70/454,536.28 = 186,139.60/x
  3. Step 3: Cross multiply
    329,382.70x = 454,536.28 × 186,139.60
  4. Step 4: Simplify right side
    329,382.70x = 84,607,201,344.69
  5. Step 5: Solve for x
    x = 84,607,201,344.69/329,382.70
  6. Step 6: Final answer
    x = 256,865.95

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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.