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Finding the Fourth Proportional to 356,245.94, 491,620.12 and 192,904.22

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Solution

The fourth proportional to 356,245.94, 491,620.12 and 192,904.22 is: 266,208.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,245.94 : 491,620.12 = 192,904.22 : x
  2. Step 2: Convert to fraction form
    356,245.94/491,620.12 = 192,904.22/x
  3. Step 3: Cross multiply
    356,245.94x = 491,620.12 × 192,904.22
  4. Step 4: Simplify right side
    356,245.94x = 94,835,595,784.91
  5. Step 5: Solve for x
    x = 94,835,595,784.91/356,245.94
  6. Step 6: Final answer
    x = 266,208.21

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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.