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Finding the Fourth Proportional to 395,679.21, 593,510.31 and 96,161.46

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Solution

The fourth proportional to 395,679.21, 593,510.31 and 96,161.46 is: 144,240.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,679.21 : 593,510.31 = 96,161.46 : x
  2. Step 2: Convert to fraction form
    395,679.21/593,510.31 = 96,161.46/x
  3. Step 3: Cross multiply
    395,679.21x = 593,510.31 × 96,161.46
  4. Step 4: Simplify right side
    395,679.21x = 57,072,817,934.65
  5. Step 5: Solve for x
    x = 57,072,817,934.65/395,679.21
  6. Step 6: Final answer
    x = 144,240.12

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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.