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Finding the Fourth Proportional to 499,765.15, 749,647.14 and 162,805.27

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Solution

The fourth proportional to 499,765.15, 749,647.14 and 162,805.27 is: 244,207.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,765.15 : 749,647.14 = 162,805.27 : x
  2. Step 2: Convert to fraction form
    499,765.15/749,647.14 = 162,805.27/x
  3. Step 3: Cross multiply
    499,765.15x = 749,647.14 × 162,805.27
  4. Step 4: Simplify right side
    499,765.15x = 122,046,501,284.19
  5. Step 5: Solve for x
    x = 122,046,501,284.19/499,765.15
  6. Step 6: Final answer
    x = 244,207.71

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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.