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Finding the Fourth Proportional to 202,385.20, 283,754 and 202,385.20

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Solution

The fourth proportional to 202,385.20, 283,754 and 202,385.20 is: 283,754

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,385.20 : 283,754 = 202,385.20 : x
  2. Step 2: Convert to fraction form
    202,385.20/283,754 = 202,385.20/x
  3. Step 3: Cross multiply
    202,385.20x = 283,754 × 202,385.20
  4. Step 4: Simplify right side
    202,385.20x = 57,427,610,040.80
  5. Step 5: Solve for x
    x = 57,427,610,040.80/202,385.20
  6. Step 6: Final answer
    x = 283,754

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.