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Finding the Fourth Proportional to 333,043.80, 499,570.38 and 108,405.48

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Solution

The fourth proportional to 333,043.80, 499,570.38 and 108,405.48 is: 162,609.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,043.80 : 499,570.38 = 108,405.48 : x
  2. Step 2: Convert to fraction form
    333,043.80/499,570.38 = 108,405.48/x
  3. Step 3: Cross multiply
    333,043.80x = 499,570.38 × 108,405.48
  4. Step 4: Simplify right side
    333,043.80x = 54,156,166,837.68
  5. Step 5: Solve for x
    x = 54,156,166,837.68/333,043.80
  6. Step 6: Final answer
    x = 162,609.74

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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.