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Finding the Fourth Proportional to 325,714.40, 488,555.40 and 167,958.80

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Solution

The fourth proportional to 325,714.40, 488,555.40 and 167,958.80 is: 251,929.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,714.40 : 488,555.40 = 167,958.80 : x
  2. Step 2: Convert to fraction form
    325,714.40/488,555.40 = 167,958.80/x
  3. Step 3: Cross multiply
    325,714.40x = 488,555.40 × 167,958.80
  4. Step 4: Simplify right side
    325,714.40x = 82,057,178,717.52
  5. Step 5: Solve for x
    x = 82,057,178,717.52/325,714.40
  6. Step 6: Final answer
    x = 251,929.85

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1.5x scale

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.