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Finding the Fourth Proportional to 957.41, 1,435.96 and 470.33

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Solution

The fourth proportional to 957.41, 1,435.96 and 470.33 is: 705.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    957.41 : 1,435.96 = 470.33 : x
  2. Step 2: Convert to fraction form
    957.41/1,435.96 = 470.33/x
  3. Step 3: Cross multiply
    957.41x = 1,435.96 × 470.33
  4. Step 4: Simplify right side
    957.41x = 675,375.07
  5. Step 5: Solve for x
    x = 675,375.07/957.41
  6. Step 6: Final answer
    x = 705.42

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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.