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Finding the Fourth Proportional to 622,163.84, 933,393.38 and 201,439.71

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Solution

The fourth proportional to 622,163.84, 933,393.38 and 201,439.71 is: 302,207.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,163.84 : 933,393.38 = 201,439.71 : x
  2. Step 2: Convert to fraction form
    622,163.84/933,393.38 = 201,439.71/x
  3. Step 3: Cross multiply
    622,163.84x = 933,393.38 × 201,439.71
  4. Step 4: Simplify right side
    622,163.84x = 188,022,490,775.92
  5. Step 5: Solve for x
    x = 188,022,490,775.92/622,163.84
  6. Step 6: Final answer
    x = 302,207.36

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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.