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Finding the Fourth Proportional to 883.33, 1,325.34 and 472.34

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Solution

The fourth proportional to 883.33, 1,325.34 and 472.34 is: 708.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    883.33 : 1,325.34 = 472.34 : x
  2. Step 2: Convert to fraction form
    883.33/1,325.34 = 472.34/x
  3. Step 3: Cross multiply
    883.33x = 1,325.34 × 472.34
  4. Step 4: Simplify right side
    883.33x = 626,014.41
  5. Step 5: Solve for x
    x = 626,014.41/883.33
  6. Step 6: Final answer
    x = 708.70

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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.