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Finding the Fourth Proportional to 332,405.70, 498,477.32 and 121,928.82

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Solution

The fourth proportional to 332,405.70, 498,477.32 and 121,928.82 is: 182,845.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,405.70 : 498,477.32 = 121,928.82 : x
  2. Step 2: Convert to fraction form
    332,405.70/498,477.32 = 121,928.82/x
  3. Step 3: Cross multiply
    332,405.70x = 498,477.32 × 121,928.82
  4. Step 4: Simplify right side
    332,405.70x = 60,778,751,424.36
  5. Step 5: Solve for x
    x = 60,778,751,424.36/332,405.70
  6. Step 6: Final answer
    x = 182,845.09

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1.5x scale

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.