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Finding the Fourth Proportional to 983.53, 1,473.33 and 593.63

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Solution

The fourth proportional to 983.53, 1,473.33 and 593.63 is: 889.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    983.53 : 1,473.33 = 593.63 : x
  2. Step 2: Convert to fraction form
    983.53/1,473.33 = 593.63/x
  3. Step 3: Cross multiply
    983.53x = 1,473.33 × 593.63
  4. Step 4: Simplify right side
    983.53x = 874,612.89
  5. Step 5: Solve for x
    x = 874,612.89/983.53
  6. Step 6: Final answer
    x = 889.26

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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.