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Finding the Fourth Proportional to 346,867.20, 520,171.20 and 241,372.80

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Solution

The fourth proportional to 346,867.20, 520,171.20 and 241,372.80 is: 361,969.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,867.20 : 520,171.20 = 241,372.80 : x
  2. Step 2: Convert to fraction form
    346,867.20/520,171.20 = 241,372.80/x
  3. Step 3: Cross multiply
    346,867.20x = 520,171.20 × 241,372.80
  4. Step 4: Simplify right side
    346,867.20x = 125,555,179,023.36
  5. Step 5: Solve for x
    x = 125,555,179,023.36/346,867.20
  6. Step 6: Final answer
    x = 361,969.02

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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.