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Finding the Fourth Proportional to 269,510, 404,263.38 and 69,829.88

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Solution

The fourth proportional to 269,510, 404,263.38 and 69,829.88 is: 104,744.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,510 : 404,263.38 = 69,829.88 : x
  2. Step 2: Convert to fraction form
    269,510/404,263.38 = 69,829.88/x
  3. Step 3: Cross multiply
    269,510x = 404,263.38 × 69,829.88
  4. Step 4: Simplify right side
    269,510x = 28,229,663,313.79
  5. Step 5: Solve for x
    x = 28,229,663,313.79/269,510
  6. Step 6: Final answer
    x = 104,744.40

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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.