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Finding the Fourth Proportional to 324,409.32, 486,613.71 and 236,223.81

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Solution

The fourth proportional to 324,409.32, 486,613.71 and 236,223.81 is: 354,335.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,409.32 : 486,613.71 = 236,223.81 : x
  2. Step 2: Convert to fraction form
    324,409.32/486,613.71 = 236,223.81/x
  3. Step 3: Cross multiply
    324,409.32x = 486,613.71 × 236,223.81
  4. Step 4: Simplify right side
    324,409.32x = 114,949,744,574.44
  5. Step 5: Solve for x
    x = 114,949,744,574.44/324,409.32
  6. Step 6: Final answer
    x = 354,335.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.