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Finding the Fourth Proportional to 332,980.56, 499,478.94 and 108,341.64

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Solution

The fourth proportional to 332,980.56, 499,478.94 and 108,341.64 is: 162,515.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,980.56 : 499,478.94 = 108,341.64 : x
  2. Step 2: Convert to fraction form
    332,980.56/499,478.94 = 108,341.64/x
  3. Step 3: Cross multiply
    332,980.56x = 499,478.94 × 108,341.64
  4. Step 4: Simplify right side
    332,980.56x = 54,114,367,505.06
  5. Step 5: Solve for x
    x = 54,114,367,505.06/332,980.56
  6. Step 6: Final answer
    x = 162,515.10

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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.