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Finding the Fourth Proportional to 329,520.86, 454,758.39 and 186,294.23

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Solution

The fourth proportional to 329,520.86, 454,758.39 and 186,294.23 is: 257,097.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,520.86 : 454,758.39 = 186,294.23 : x
  2. Step 2: Convert to fraction form
    329,520.86/454,758.39 = 186,294.23/x
  3. Step 3: Cross multiply
    329,520.86x = 454,758.39 × 186,294.23
  4. Step 4: Simplify right side
    329,520.86x = 84,718,861,827.30
  5. Step 5: Solve for x
    x = 84,718,861,827.30/329,520.86
  6. Step 6: Final answer
    x = 257,097.12

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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.