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Finding the Fourth Proportional to 395,778.40, 593,668.09 and 96,256.91

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Solution

The fourth proportional to 395,778.40, 593,668.09 and 96,256.91 is: 144,385.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,778.40 : 593,668.09 = 96,256.91 : x
  2. Step 2: Convert to fraction form
    395,778.40/593,668.09 = 96,256.91/x
  3. Step 3: Cross multiply
    395,778.40x = 593,668.09 × 96,256.91
  4. Step 4: Simplify right side
    395,778.40x = 57,144,653,632.67
  5. Step 5: Solve for x
    x = 57,144,653,632.67/395,778.40
  6. Step 6: Final answer
    x = 144,385.48

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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.