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Finding the Fourth Proportional to 356,216.25, 491,572.47 and 192,871.44

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Solution

The fourth proportional to 356,216.25, 491,572.47 and 192,871.44 is: 266,159.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,216.25 : 491,572.47 = 192,871.44 : x
  2. Step 2: Convert to fraction form
    356,216.25/491,572.47 = 192,871.44/x
  3. Step 3: Cross multiply
    356,216.25x = 491,572.47 × 192,871.44
  4. Step 4: Simplify right side
    356,216.25x = 94,810,290,153.26
  5. Step 5: Solve for x
    x = 94,810,290,153.26/356,216.25
  6. Step 6: Final answer
    x = 266,159.36

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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.