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Finding the Fourth Proportional to 332,405.70, 498,612.60 and 107,764.35

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Solution

The fourth proportional to 332,405.70, 498,612.60 and 107,764.35 is: 161,647.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,405.70 : 498,612.60 = 107,764.35 : x
  2. Step 2: Convert to fraction form
    332,405.70/498,612.60 = 107,764.35/x
  3. Step 3: Cross multiply
    332,405.70x = 498,612.60 × 107,764.35
  4. Step 4: Simplify right side
    332,405.70x = 53,732,662,740.81
  5. Step 5: Solve for x
    x = 53,732,662,740.81/332,405.70
  6. Step 6: Final answer
    x = 161,647.84

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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.