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Finding the Fourth Proportional to 395,624.76, 593,510.04 and 129,399.44

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Solution

The fourth proportional to 395,624.76, 593,510.04 and 129,399.44 is: 194,123.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,624.76 : 593,510.04 = 129,399.44 : x
  2. Step 2: Convert to fraction form
    395,624.76/593,510.04 = 129,399.44/x
  3. Step 3: Cross multiply
    395,624.76x = 593,510.04 × 129,399.44
  4. Step 4: Simplify right side
    395,624.76x = 76,799,863,842.83
  5. Step 5: Solve for x
    x = 76,799,863,842.83/395,624.76
  6. Step 6: Final answer
    x = 194,123.00

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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.