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Finding the Fourth Proportional to 523,336.96, 722,299.26 and 308,464.48

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Solution

The fourth proportional to 523,336.96, 722,299.26 and 308,464.48 is: 425,736.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,336.96 : 722,299.26 = 308,464.48 : x
  2. Step 2: Convert to fraction form
    523,336.96/722,299.26 = 308,464.48/x
  3. Step 3: Cross multiply
    523,336.96x = 722,299.26 × 308,464.48
  4. Step 4: Simplify right side
    523,336.96x = 222,803,665,640.29
  5. Step 5: Solve for x
    x = 222,803,665,640.29/523,336.96
  6. Step 6: Final answer
    x = 425,736.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.