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Finding the Fourth Proportional to 269,596.45, 404,405.00 and 69,911.60

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Solution

The fourth proportional to 269,596.45, 404,405.00 and 69,911.60 is: 104,870.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,596.45 : 404,405.00 = 69,911.60 : x
  2. Step 2: Convert to fraction form
    269,596.45/404,405.00 = 69,911.60/x
  3. Step 3: Cross multiply
    269,596.45x = 404,405.00 × 69,911.60
  4. Step 4: Simplify right side
    269,596.45x = 28,272,600,248.44
  5. Step 5: Solve for x
    x = 28,272,600,248.44/269,596.45
  6. Step 6: Final answer
    x = 104,870.08

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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.