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Finding the Fourth Proportional to 567,216.36, 850,824.53 and 389,183.63

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Solution

The fourth proportional to 567,216.36, 850,824.53 and 389,183.63 is: 583,775.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,216.36 : 850,824.53 = 389,183.63 : x
  2. Step 2: Convert to fraction form
    567,216.36/850,824.53 = 389,183.63/x
  3. Step 3: Cross multiply
    567,216.36x = 850,824.53 × 389,183.63
  4. Step 4: Simplify right side
    567,216.36x = 331,126,972,878.40
  5. Step 5: Solve for x
    x = 331,126,972,878.40/567,216.36
  6. Step 6: Final answer
    x = 583,775.43

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Double scale
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Similar ratio
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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.