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Finding the Fourth Proportional to 478,150.86, 716,747.06 and 222,163.26

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Solution

The fourth proportional to 478,150.86, 716,747.06 and 222,163.26 is: 333,022.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,150.86 : 716,747.06 = 222,163.26 : x
  2. Step 2: Convert to fraction form
    478,150.86/716,747.06 = 222,163.26/x
  3. Step 3: Cross multiply
    478,150.86x = 716,747.06 × 222,163.26
  4. Step 4: Simplify right side
    478,150.86x = 159,234,863,445.02
  5. Step 5: Solve for x
    x = 159,234,863,445.02/478,150.86
  6. Step 6: Final answer
    x = 333,022.23

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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.