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Finding the Fourth Proportional to 324,803.64, 448,319.58 and 222,845.70

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Solution

The fourth proportional to 324,803.64, 448,319.58 and 222,845.70 is: 307,589.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,803.64 : 448,319.58 = 222,845.70 : x
  2. Step 2: Convert to fraction form
    324,803.64/448,319.58 = 222,845.70/x
  3. Step 3: Cross multiply
    324,803.64x = 448,319.58 × 222,845.70
  4. Step 4: Simplify right side
    324,803.64x = 99,906,090,628.81
  5. Step 5: Solve for x
    x = 99,906,090,628.81/324,803.64
  6. Step 6: Final answer
    x = 307,589.20

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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.