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Finding the Fourth Proportional to 329,045.59, 454,085.92 and 193,081.80

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Solution

The fourth proportional to 329,045.59, 454,085.92 and 193,081.80 is: 266,454.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,045.59 : 454,085.92 = 193,081.80 : x
  2. Step 2: Convert to fraction form
    329,045.59/454,085.92 = 193,081.80/x
  3. Step 3: Cross multiply
    329,045.59x = 454,085.92 × 193,081.80
  4. Step 4: Simplify right side
    329,045.59x = 87,675,726,369.23
  5. Step 5: Solve for x
    x = 87,675,726,369.23/329,045.59
  6. Step 6: Final answer
    x = 266,454.65

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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.