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Finding the Fourth Proportional to 395,660.65, 593,491.72 and 96,141.48

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Solution

The fourth proportional to 395,660.65, 593,491.72 and 96,141.48 is: 144,212.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,660.65 : 593,491.72 = 96,141.48 : x
  2. Step 2: Convert to fraction form
    395,660.65/593,491.72 = 96,141.48/x
  3. Step 3: Cross multiply
    395,660.65x = 593,491.72 × 96,141.48
  4. Step 4: Simplify right side
    395,660.65x = 57,059,172,328.55
  5. Step 5: Solve for x
    x = 57,059,172,328.55/395,660.65
  6. Step 6: Final answer
    x = 144,212.40

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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.