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Finding the Fourth Proportional to 366,831.60, 550,344.60 and 130,149.60

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Solution

The fourth proportional to 366,831.60, 550,344.60 and 130,149.60 is: 195,258.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,831.60 : 550,344.60 = 130,149.60 : x
  2. Step 2: Convert to fraction form
    366,831.60/550,344.60 = 130,149.60/x
  3. Step 3: Cross multiply
    366,831.60x = 550,344.60 × 130,149.60
  4. Step 4: Simplify right side
    366,831.60x = 71,627,129,552.16
  5. Step 5: Solve for x
    x = 71,627,129,552.16/366,831.60
  6. Step 6: Final answer
    x = 195,258.89

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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.