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Finding the Fourth Proportional to 435,383.62, 653,058.42 and 119,831.92

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Solution

The fourth proportional to 435,383.62, 653,058.42 and 119,831.92 is: 179,743.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,383.62 : 653,058.42 = 119,831.92 : x
  2. Step 2: Convert to fraction form
    435,383.62/653,058.42 = 119,831.92/x
  3. Step 3: Cross multiply
    435,383.62x = 653,058.42 × 119,831.92
  4. Step 4: Simplify right side
    435,383.62x = 78,257,244,340.77
  5. Step 5: Solve for x
    x = 78,257,244,340.77/435,383.62
  6. Step 6: Final answer
    x = 179,743.20

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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.