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Finding the Fourth Proportional to 324,440.71, 447,714.63 and 186,609.15

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Solution

The fourth proportional to 324,440.71, 447,714.63 and 186,609.15 is: 257,512.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,440.71 : 447,714.63 = 186,609.15 : x
  2. Step 2: Convert to fraction form
    324,440.71/447,714.63 = 186,609.15/x
  3. Step 3: Cross multiply
    324,440.71x = 447,714.63 × 186,609.15
  4. Step 4: Simplify right side
    324,440.71x = 83,547,646,546.86
  5. Step 5: Solve for x
    x = 83,547,646,546.86/324,440.71
  6. Step 6: Final answer
    x = 257,512.83

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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.