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Finding the Fourth Proportional to 395,300.13, 593,061.05 and 158,808.88

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Solution

The fourth proportional to 395,300.13, 593,061.05 and 158,808.88 is: 238,257.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,300.13 : 593,061.05 = 158,808.88 : x
  2. Step 2: Convert to fraction form
    395,300.13/593,061.05 = 158,808.88/x
  3. Step 3: Cross multiply
    395,300.13x = 593,061.05 × 158,808.88
  4. Step 4: Simplify right side
    395,300.13x = 94,183,361,122.12
  5. Step 5: Solve for x
    x = 94,183,361,122.12/395,300.13
  6. Step 6: Final answer
    x = 238,257.86

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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.