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Finding the Fourth Proportional to 599,782.80, 899,576.85 and 200,422.93

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Solution

The fourth proportional to 599,782.80, 899,576.85 and 200,422.93 is: 300,601.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    599,782.80 : 899,576.85 = 200,422.93 : x
  2. Step 2: Convert to fraction form
    599,782.80/899,576.85 = 200,422.93/x
  3. Step 3: Cross multiply
    599,782.80x = 899,576.85 × 200,422.93
  4. Step 4: Simplify right side
    599,782.80x = 180,295,828,037.17
  5. Step 5: Solve for x
    x = 180,295,828,037.17/599,782.80
  6. Step 6: Final answer
    x = 300,601.86

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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.