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Finding the Fourth Proportional to 343,826.60, 515,958.60 and 201,671.60

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Solution

The fourth proportional to 343,826.60, 515,958.60 and 201,671.60 is: 302,635.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,826.60 : 515,958.60 = 201,671.60 : x
  2. Step 2: Convert to fraction form
    343,826.60/515,958.60 = 201,671.60/x
  3. Step 3: Cross multiply
    343,826.60x = 515,958.60 × 201,671.60
  4. Step 4: Simplify right side
    343,826.60x = 104,054,196,395.76
  5. Step 5: Solve for x
    x = 104,054,196,395.76/343,826.60
  6. Step 6: Final answer
    x = 302,635.68

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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.