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Finding the Fourth Proportional to 529,249.14, 793,868.85 and 213,701.49

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Solution

The fourth proportional to 529,249.14, 793,868.85 and 213,701.49 is: 320,550.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,249.14 : 793,868.85 = 213,701.49 : x
  2. Step 2: Convert to fraction form
    529,249.14/793,868.85 = 213,701.49/x
  3. Step 3: Cross multiply
    529,249.14x = 793,868.85 × 213,701.49
  4. Step 4: Simplify right side
    529,249.14x = 169,650,956,109.59
  5. Step 5: Solve for x
    x = 169,650,956,109.59/529,249.14
  6. Step 6: Final answer
    x = 320,550.27

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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.