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Finding the Fourth Proportional to 356,174.57, 491,521.71 and 192,832.80

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Solution

The fourth proportional to 356,174.57, 491,521.71 and 192,832.80 is: 266,109.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,174.57 : 491,521.71 = 192,832.80 : x
  2. Step 2: Convert to fraction form
    356,174.57/491,521.71 = 192,832.80/x
  3. Step 3: Cross multiply
    356,174.57x = 491,521.71 × 192,832.80
  4. Step 4: Simplify right side
    356,174.57x = 94,781,507,600.09
  5. Step 5: Solve for x
    x = 94,781,507,600.09/356,174.57
  6. Step 6: Final answer
    x = 266,109.70

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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.