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Finding the Fourth Proportional to 326,696.52, 492,468.80 and 298,318.44

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Solution

The fourth proportional to 326,696.52, 492,468.80 and 298,318.44 is: 449,691.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,696.52 : 492,468.80 = 298,318.44 : x
  2. Step 2: Convert to fraction form
    326,696.52/492,468.80 = 298,318.44/x
  3. Step 3: Cross multiply
    326,696.52x = 492,468.80 × 298,318.44
  4. Step 4: Simplify right side
    326,696.52x = 146,912,522,673.08
  5. Step 5: Solve for x
    x = 146,912,522,673.08/326,696.52
  6. Step 6: Final answer
    x = 449,691.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.