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Finding the Fourth Proportional to 499,940.10, 750,028.95 and 162,982.98

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Solution

The fourth proportional to 499,940.10, 750,028.95 and 162,982.98 is: 244,513.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,940.10 : 750,028.95 = 162,982.98 : x
  2. Step 2: Convert to fraction form
    499,940.10/750,028.95 = 162,982.98/x
  3. Step 3: Cross multiply
    499,940.10x = 750,028.95 × 162,982.98
  4. Step 4: Simplify right side
    499,940.10x = 122,241,953,357.27
  5. Step 5: Solve for x
    x = 122,241,953,357.27/499,940.10
  6. Step 6: Final answer
    x = 244,513.20

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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.