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Finding the Fourth Proportional to 599,782.08, 899,379.36 and 200,285.76

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Solution

The fourth proportional to 599,782.08, 899,379.36 and 200,285.76 is: 300,330.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    599,782.08 : 899,379.36 = 200,285.76 : x
  2. Step 2: Convert to fraction form
    599,782.08/899,379.36 = 200,285.76/x
  3. Step 3: Cross multiply
    599,782.08x = 899,379.36 × 200,285.76
  4. Step 4: Simplify right side
    599,782.08x = 180,132,878,645.91
  5. Step 5: Solve for x
    x = 180,132,878,645.91/599,782.08
  6. Step 6: Final answer
    x = 300,330.54

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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.