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Finding the Fourth Proportional to 325,221.44, 448,856.48 and 204,379.16

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Solution

The fourth proportional to 325,221.44, 448,856.48 and 204,379.16 is: 282,075.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,221.44 : 448,856.48 = 204,379.16 : x
  2. Step 2: Convert to fraction form
    325,221.44/448,856.48 = 204,379.16/x
  3. Step 3: Cross multiply
    325,221.44x = 448,856.48 × 204,379.16
  4. Step 4: Simplify right side
    325,221.44x = 91,736,910,342.96
  5. Step 5: Solve for x
    x = 91,736,910,342.96/325,221.44
  6. Step 6: Final answer
    x = 282,075.22

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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.