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Finding the Fourth Proportional to 957.92, 1,436.52 and 341.52

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Solution

The fourth proportional to 957.92, 1,436.52 and 341.52 is: 512.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    957.92 : 1,436.52 = 341.52 : x
  2. Step 2: Convert to fraction form
    957.92/1,436.52 = 341.52/x
  3. Step 3: Cross multiply
    957.92x = 1,436.52 × 341.52
  4. Step 4: Simplify right side
    957.92x = 490,600.31
  5. Step 5: Solve for x
    x = 490,600.31/957.92
  6. Step 6: Final answer
    x = 512.15

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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.