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Finding the Fourth Proportional to 262,428.36, 362,325.48 and 201,892.20

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Solution

The fourth proportional to 262,428.36, 362,325.48 and 201,892.20 is: 278,745.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,428.36 : 362,325.48 = 201,892.20 : x
  2. Step 2: Convert to fraction form
    262,428.36/362,325.48 = 201,892.20/x
  3. Step 3: Cross multiply
    262,428.36x = 362,325.48 × 201,892.20
  4. Step 4: Simplify right side
    262,428.36x = 73,150,688,273.26
  5. Step 5: Solve for x
    x = 73,150,688,273.26/262,428.36
  6. Step 6: Final answer
    x = 278,745.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.