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Finding the Fourth Proportional to 363,040.30, 508,781.30 and 363,040.30

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Solution

The fourth proportional to 363,040.30, 508,781.30 and 363,040.30 is: 508,781.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,040.30 : 508,781.30 = 363,040.30 : x
  2. Step 2: Convert to fraction form
    363,040.30/508,781.30 = 363,040.30/x
  3. Step 3: Cross multiply
    363,040.30x = 508,781.30 × 363,040.30
  4. Step 4: Simplify right side
    363,040.30x = 184,708,115,786.39
  5. Step 5: Solve for x
    x = 184,708,115,786.39/363,040.30
  6. Step 6: Final answer
    x = 508,781.30

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.