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Finding the Fourth Proportional to 508,771.32, 763,164.26 and 242,559.96

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Solution

The fourth proportional to 508,771.32, 763,164.26 and 242,559.96 is: 363,843.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,771.32 : 763,164.26 = 242,559.96 : x
  2. Step 2: Convert to fraction form
    508,771.32/763,164.26 = 242,559.96/x
  3. Step 3: Cross multiply
    508,771.32x = 763,164.26 × 242,559.96
  4. Step 4: Simplify right side
    508,771.32x = 185,113,092,379.03
  5. Step 5: Solve for x
    x = 185,113,092,379.03/508,771.32
  6. Step 6: Final answer
    x = 363,843.41

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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.