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Finding the Fourth Proportional to 329,609.66, 454,870.31 and 186,391.13

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Solution

The fourth proportional to 329,609.66, 454,870.31 and 186,391.13 is: 257,224.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,609.66 : 454,870.31 = 186,391.13 : x
  2. Step 2: Convert to fraction form
    329,609.66/454,870.31 = 186,391.13/x
  3. Step 3: Cross multiply
    329,609.66x = 454,870.31 × 186,391.13
  4. Step 4: Simplify right side
    329,609.66x = 84,783,787,878.04
  5. Step 5: Solve for x
    x = 84,783,787,878.04/329,609.66
  6. Step 6: Final answer
    x = 257,224.83

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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.