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Finding the Fourth Proportional to 346,822.20, 520,103.70 and 241,327.80

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Solution

The fourth proportional to 346,822.20, 520,103.70 and 241,327.80 is: 361,901.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,822.20 : 520,103.70 = 241,327.80 : x
  2. Step 2: Convert to fraction form
    346,822.20/520,103.70 = 241,327.80/x
  3. Step 3: Cross multiply
    346,822.20x = 520,103.70 × 241,327.80
  4. Step 4: Simplify right side
    346,822.20x = 125,515,481,692.86
  5. Step 5: Solve for x
    x = 125,515,481,692.86/346,822.20
  6. Step 6: Final answer
    x = 361,901.52

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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.