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Finding the Fourth Proportional to 594.36, 891.45 and 374.31

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Solution

The fourth proportional to 594.36, 891.45 and 374.31 is: 561.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    594.36 : 891.45 = 374.31 : x
  2. Step 2: Convert to fraction form
    594.36/891.45 = 374.31/x
  3. Step 3: Cross multiply
    594.36x = 891.45 × 374.31
  4. Step 4: Simplify right side
    594.36x = 333,680.18
  5. Step 5: Solve for x
    x = 333,680.18/594.36
  6. Step 6: Final answer
    x = 561.41

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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.