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Finding the Fourth Proportional to 441,429.60, 662,150.48 and 125,886.54

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Solution

The fourth proportional to 441,429.60, 662,150.48 and 125,886.54 is: 188,831.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,429.60 : 662,150.48 = 125,886.54 : x
  2. Step 2: Convert to fraction form
    441,429.60/662,150.48 = 125,886.54/x
  3. Step 3: Cross multiply
    441,429.60x = 662,150.48 × 125,886.54
  4. Step 4: Simplify right side
    441,429.60x = 83,355,832,257.11
  5. Step 5: Solve for x
    x = 83,355,832,257.11/441,429.60
  6. Step 6: Final answer
    x = 188,831.54

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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.