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Finding the Fourth Proportional to 283,668.94, 425,504.78 and 83,993.09

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Solution

The fourth proportional to 283,668.94, 425,504.78 and 83,993.09 is: 125,990.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,668.94 : 425,504.78 = 83,993.09 : x
  2. Step 2: Convert to fraction form
    283,668.94/425,504.78 = 83,993.09/x
  3. Step 3: Cross multiply
    283,668.94x = 425,504.78 × 83,993.09
  4. Step 4: Simplify right side
    283,668.94x = 35,739,460,862.00
  5. Step 5: Solve for x
    x = 35,739,460,862.00/283,668.94
  6. Step 6: Final answer
    x = 125,990.04

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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.