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Finding the Fourth Proportional to 269,616, 404,522.43 and 157,275.28

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Solution

The fourth proportional to 269,616, 404,522.43 and 157,275.28 is: 235,970.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,616 : 404,522.43 = 157,275.28 : x
  2. Step 2: Convert to fraction form
    269,616/404,522.43 = 157,275.28/x
  3. Step 3: Cross multiply
    269,616x = 404,522.43 × 157,275.28
  4. Step 4: Simplify right side
    269,616x = 63,621,378,444.53
  5. Step 5: Solve for x
    x = 63,621,378,444.53/269,616
  6. Step 6: Final answer
    x = 235,970.34

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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.