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Finding the Fourth Proportional to 324,804.64, 448,320.96 and 222,846.70

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Solution

The fourth proportional to 324,804.64, 448,320.96 and 222,846.70 is: 307,590.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,804.64 : 448,320.96 = 222,846.70 : x
  2. Step 2: Convert to fraction form
    324,804.64/448,320.96 = 222,846.70/x
  3. Step 3: Cross multiply
    324,804.64x = 448,320.96 × 222,846.70
  4. Step 4: Simplify right side
    324,804.64x = 99,906,846,476.83
  5. Step 5: Solve for x
    x = 99,906,846,476.83/324,804.64
  6. Step 6: Final answer
    x = 307,590.58

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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.