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Finding the Fourth Proportional to 499,757.99, 749,636.43 and 162,798.10

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Solution

The fourth proportional to 499,757.99, 749,636.43 and 162,798.10 is: 244,196.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,757.99 : 749,636.43 = 162,798.10 : x
  2. Step 2: Convert to fraction form
    499,757.99/749,636.43 = 162,798.10/x
  3. Step 3: Cross multiply
    499,757.99x = 749,636.43 × 162,798.10
  4. Step 4: Simplify right side
    499,757.99x = 122,039,386,494.78
  5. Step 5: Solve for x
    x = 122,039,386,494.78/499,757.99
  6. Step 6: Final answer
    x = 244,196.97

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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.