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Finding the Fourth Proportional to 923.06, 1,384.04 and 374.96

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Solution

The fourth proportional to 923.06, 1,384.04 and 374.96 is: 562.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    923.06 : 1,384.04 = 374.96 : x
  2. Step 2: Convert to fraction form
    923.06/1,384.04 = 374.96/x
  3. Step 3: Cross multiply
    923.06x = 1,384.04 × 374.96
  4. Step 4: Simplify right side
    923.06x = 518,959.64
  5. Step 5: Solve for x
    x = 518,959.64/923.06
  6. Step 6: Final answer
    x = 562.22

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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.