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Finding the Fourth Proportional to 283,550.48, 425,325.70 and 83,855.31

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Solution

The fourth proportional to 283,550.48, 425,325.70 and 83,855.31 is: 125,782.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,550.48 : 425,325.70 = 83,855.31 : x
  2. Step 2: Convert to fraction form
    283,550.48/425,325.70 = 83,855.31/x
  3. Step 3: Cross multiply
    283,550.48x = 425,325.70 × 83,855.31
  4. Step 4: Simplify right side
    283,550.48x = 35,665,818,424.47
  5. Step 5: Solve for x
    x = 35,665,818,424.47/283,550.48
  6. Step 6: Final answer
    x = 125,782.96

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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.