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Finding the Fourth Proportional to 263,571.54, 363,456.86 and 225,457.26

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Solution

The fourth proportional to 263,571.54, 363,456.86 and 225,457.26 is: 310,898.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,571.54 : 363,456.86 = 225,457.26 : x
  2. Step 2: Convert to fraction form
    263,571.54/363,456.86 = 225,457.26/x
  3. Step 3: Cross multiply
    263,571.54x = 363,456.86 × 225,457.26
  4. Step 4: Simplify right side
    263,571.54x = 81,943,986,656.52
  5. Step 5: Solve for x
    x = 81,943,986,656.52/263,571.54
  6. Step 6: Final answer
    x = 310,898.46

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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.