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Finding the Fourth Proportional to 283,550.79, 425,326.19 and 83,855.63

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Solution

The fourth proportional to 283,550.79, 425,326.19 and 83,855.63 is: 125,783.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,550.79 : 425,326.19 = 83,855.63 : x
  2. Step 2: Convert to fraction form
    283,550.79/425,326.19 = 83,855.63/x
  3. Step 3: Cross multiply
    283,550.79x = 425,326.19 × 83,855.63
  4. Step 4: Simplify right side
    283,550.79x = 35,665,993,072.04
  5. Step 5: Solve for x
    x = 35,665,993,072.04/283,550.79
  6. Step 6: Final answer
    x = 125,783.44

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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.