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Finding the Fourth Proportional to 957.49, 1,436.09 and 594.61

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Solution

The fourth proportional to 957.49, 1,436.09 and 594.61 is: 891.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    957.49 : 1,436.09 = 594.61 : x
  2. Step 2: Convert to fraction form
    957.49/1,436.09 = 594.61/x
  3. Step 3: Cross multiply
    957.49x = 1,436.09 × 594.61
  4. Step 4: Simplify right side
    957.49x = 853,906.29
  5. Step 5: Solve for x
    x = 853,906.29/957.49
  6. Step 6: Final answer
    x = 891.82

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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.