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Finding the Fourth Proportional to 499,987.46, 750,059.40 and 162,949.80

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Solution

The fourth proportional to 499,987.46, 750,059.40 and 162,949.80 is: 244,450.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,987.46 : 750,059.40 = 162,949.80 : x
  2. Step 2: Convert to fraction form
    499,987.46/750,059.40 = 162,949.80/x
  3. Step 3: Cross multiply
    499,987.46x = 750,059.40 × 162,949.80
  4. Step 4: Simplify right side
    499,987.46x = 122,222,029,218.12
  5. Step 5: Solve for x
    x = 122,222,029,218.12/499,987.46
  6. Step 6: Final answer
    x = 244,450.19

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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.