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Finding the Fourth Proportional to 269,382.84, 404,041.24 and 69,686.65

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Solution

The fourth proportional to 269,382.84, 404,041.24 and 69,686.65 is: 104,521.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,382.84 : 404,041.24 = 69,686.65 : x
  2. Step 2: Convert to fraction form
    269,382.84/404,041.24 = 69,686.65/x
  3. Step 3: Cross multiply
    269,382.84x = 404,041.24 × 69,686.65
  4. Step 4: Simplify right side
    269,382.84x = 28,156,280,477.45
  5. Step 5: Solve for x
    x = 28,156,280,477.45/269,382.84
  6. Step 6: Final answer
    x = 104,521.43

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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.