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Finding the Fourth Proportional to 923.33, 1,384.80 and 593.79

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Solution

The fourth proportional to 923.33, 1,384.80 and 593.79 is: 890.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    923.33 : 1,384.80 = 593.79 : x
  2. Step 2: Convert to fraction form
    923.33/1,384.80 = 593.79/x
  3. Step 3: Cross multiply
    923.33x = 1,384.80 × 593.79
  4. Step 4: Simplify right side
    923.33x = 822,280.39
  5. Step 5: Solve for x
    x = 822,280.39/923.33
  6. Step 6: Final answer
    x = 890.56

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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.