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Finding the Fourth Proportional to 283,777.73, 391,622.71 and 169,040.71

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Solution

The fourth proportional to 283,777.73, 391,622.71 and 169,040.71 is: 233,281.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,777.73 : 391,622.71 = 169,040.71 : x
  2. Step 2: Convert to fraction form
    283,777.73/391,622.71 = 169,040.71/x
  3. Step 3: Cross multiply
    283,777.73x = 391,622.71 × 169,040.71
  4. Step 4: Simplify right side
    283,777.73x = 66,200,179,548.87
  5. Step 5: Solve for x
    x = 66,200,179,548.87/283,777.73
  6. Step 6: Final answer
    x = 233,281.80

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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.