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Finding the Fourth Proportional to 333,043.80, 499,638.60 and 164,644.80

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Solution

The fourth proportional to 333,043.80, 499,638.60 and 164,644.80 is: 247,003.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,043.80 : 499,638.60 = 164,644.80 : x
  2. Step 2: Convert to fraction form
    333,043.80/499,638.60 = 164,644.80/x
  3. Step 3: Cross multiply
    333,043.80x = 499,638.60 × 164,644.80
  4. Step 4: Simplify right side
    333,043.80x = 82,262,897,369.28
  5. Step 5: Solve for x
    x = 82,262,897,369.28/333,043.80
  6. Step 6: Final answer
    x = 247,003.24

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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.