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Finding the Fourth Proportional to 283,185.40, 424,777.58 and 83,645.91

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Solution

The fourth proportional to 283,185.40, 424,777.58 and 83,645.91 is: 125,468.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,185.40 : 424,777.58 = 83,645.91 : x
  2. Step 2: Convert to fraction form
    283,185.40/424,777.58 = 83,645.91/x
  3. Step 3: Cross multiply
    283,185.40x = 424,777.58 × 83,645.91
  4. Step 4: Simplify right side
    283,185.40x = 35,530,907,435.81
  5. Step 5: Solve for x
    x = 35,530,907,435.81/283,185.40
  6. Step 6: Final answer
    x = 125,468.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.