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Finding the Fourth Proportional to 363,039.80, 508,780.60 and 363,039.80

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Solution

The fourth proportional to 363,039.80, 508,780.60 and 363,039.80 is: 508,780.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,039.80 : 508,780.60 = 363,039.80 : x
  2. Step 2: Convert to fraction form
    363,039.80/508,780.60 = 363,039.80/x
  3. Step 3: Cross multiply
    363,039.80x = 508,780.60 × 363,039.80
  4. Step 4: Simplify right side
    363,039.80x = 184,707,607,267.88
  5. Step 5: Solve for x
    x = 184,707,607,267.88/363,039.80
  6. Step 6: Final answer
    x = 508,780.60

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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.