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Finding the Fourth Proportional to 567,610.40, 850,249.20 and 287,285.60

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Solution

The fourth proportional to 567,610.40, 850,249.20 and 287,285.60 is: 430,338.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,610.40 : 850,249.20 = 287,285.60 : x
  2. Step 2: Convert to fraction form
    567,610.40/850,249.20 = 287,285.60/x
  3. Step 3: Cross multiply
    567,610.40x = 850,249.20 × 287,285.60
  4. Step 4: Simplify right side
    567,610.40x = 244,264,351,571.52
  5. Step 5: Solve for x
    x = 244,264,351,571.52/567,610.40
  6. Step 6: Final answer
    x = 430,338.05

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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.