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Finding the Fourth Proportional to 957.26, 1,436.10 and 341

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Solution

The fourth proportional to 957.26, 1,436.10 and 341 is: 511.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    957.26 : 1,436.10 = 341 : x
  2. Step 2: Convert to fraction form
    957.26/1,436.10 = 341/x
  3. Step 3: Cross multiply
    957.26x = 1,436.10 × 341
  4. Step 4: Simplify right side
    957.26x = 489,710.10
  5. Step 5: Solve for x
    x = 489,710.10/957.26
  6. Step 6: Final answer
    x = 511.57

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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.