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Finding the Fourth Proportional to 200,216.99, 300,321.95 and 50,453.93

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Solution

The fourth proportional to 200,216.99, 300,321.95 and 50,453.93 is: 75,680.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,216.99 : 300,321.95 = 50,453.93 : x
  2. Step 2: Convert to fraction form
    200,216.99/300,321.95 = 50,453.93/x
  3. Step 3: Cross multiply
    200,216.99x = 300,321.95 × 50,453.93
  4. Step 4: Simplify right side
    200,216.99x = 15,152,420,888.88
  5. Step 5: Solve for x
    x = 15,152,420,888.88/200,216.99
  6. Step 6: Final answer
    x = 75,680.00

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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.