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Finding the Fourth Proportional to 394,884.24, 544,952.76 and 216,036.24

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Solution

The fourth proportional to 394,884.24, 544,952.76 and 216,036.24 is: 298,136.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,884.24 : 544,952.76 = 216,036.24 : x
  2. Step 2: Convert to fraction form
    394,884.24/544,952.76 = 216,036.24/x
  3. Step 3: Cross multiply
    394,884.24x = 544,952.76 × 216,036.24
  4. Step 4: Simplify right side
    394,884.24x = 117,729,545,248.02
  5. Step 5: Solve for x
    x = 117,729,545,248.02/394,884.24
  6. Step 6: Final answer
    x = 298,136.85

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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.