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Finding the Fourth Proportional to 329,665.28, 454,935.30 and 186,424.88

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Solution

The fourth proportional to 329,665.28, 454,935.30 and 186,424.88 is: 257,264.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,665.28 : 454,935.30 = 186,424.88 : x
  2. Step 2: Convert to fraction form
    329,665.28/454,935.30 = 186,424.88/x
  3. Step 3: Cross multiply
    329,665.28x = 454,935.30 × 186,424.88
  4. Step 4: Simplify right side
    329,665.28x = 84,811,258,710.26
  5. Step 5: Solve for x
    x = 84,811,258,710.26/329,665.28
  6. Step 6: Final answer
    x = 257,264.76

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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.