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Finding the Fourth Proportional to 622,216.56, 933,472.44 and 201,491.76

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Solution

The fourth proportional to 622,216.56, 933,472.44 and 201,491.76 is: 302,285.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,216.56 : 933,472.44 = 201,491.76 : x
  2. Step 2: Convert to fraction form
    622,216.56/933,472.44 = 201,491.76/x
  3. Step 3: Cross multiply
    622,216.56x = 933,472.44 × 201,491.76
  4. Step 4: Simplify right side
    622,216.56x = 188,087,004,847.09
  5. Step 5: Solve for x
    x = 188,087,004,847.09/622,216.56
  6. Step 6: Final answer
    x = 302,285.44

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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.