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Finding the Fourth Proportional to 923.97, 1,384.76 and 375.52

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Solution

The fourth proportional to 923.97, 1,384.76 and 375.52 is: 562.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    923.97 : 1,384.76 = 375.52 : x
  2. Step 2: Convert to fraction form
    923.97/1,384.76 = 375.52/x
  3. Step 3: Cross multiply
    923.97x = 1,384.76 × 375.52
  4. Step 4: Simplify right side
    923.97x = 519,999.88
  5. Step 5: Solve for x
    x = 519,999.88/923.97
  6. Step 6: Final answer
    x = 562.79

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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.