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Finding the Fourth Proportional to 283,578.57, 425,366.64 and 83,900.21

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Solution

The fourth proportional to 283,578.57, 425,366.64 and 83,900.21 is: 125,849.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,578.57 : 425,366.64 = 83,900.21 : x
  2. Step 2: Convert to fraction form
    283,578.57/425,366.64 = 83,900.21/x
  3. Step 3: Cross multiply
    283,578.57x = 425,366.64 × 83,900.21
  4. Step 4: Simplify right side
    283,578.57x = 35,688,348,296.16
  5. Step 5: Solve for x
    x = 35,688,348,296.16/283,578.57
  6. Step 6: Final answer
    x = 125,849.95

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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.