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Finding the Fourth Proportional to 324,745.86, 448,147.98 and 181,505.76

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Solution

The fourth proportional to 324,745.86, 448,147.98 and 181,505.76 is: 250,477.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,745.86 : 448,147.98 = 181,505.76 : x
  2. Step 2: Convert to fraction form
    324,745.86/448,147.98 = 181,505.76/x
  3. Step 3: Cross multiply
    324,745.86x = 448,147.98 × 181,505.76
  4. Step 4: Simplify right side
    324,745.86x = 81,341,439,702.36
  5. Step 5: Solve for x
    x = 81,341,439,702.36/324,745.86
  6. Step 6: Final answer
    x = 250,477.22

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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.