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Finding the Fourth Proportional to 361,466.35, 498,845.59 and 208,501.70

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Solution

The fourth proportional to 361,466.35, 498,845.59 and 208,501.70 is: 287,745.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,466.35 : 498,845.59 = 208,501.70 : x
  2. Step 2: Convert to fraction form
    361,466.35/498,845.59 = 208,501.70/x
  3. Step 3: Cross multiply
    361,466.35x = 498,845.59 × 208,501.70
  4. Step 4: Simplify right side
    361,466.35x = 104,010,150,537.02
  5. Step 5: Solve for x
    x = 104,010,150,537.02/361,466.35
  6. Step 6: Final answer
    x = 287,745.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.