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Finding the Fourth Proportional to 594.54, 818.91 and 554.22

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Solution

The fourth proportional to 594.54, 818.91 and 554.22 is: 763.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    594.54 : 818.91 = 554.22 : x
  2. Step 2: Convert to fraction form
    594.54/818.91 = 554.22/x
  3. Step 3: Cross multiply
    594.54x = 818.91 × 554.22
  4. Step 4: Simplify right side
    594.54x = 453,856.30
  5. Step 5: Solve for x
    x = 453,856.30/594.54
  6. Step 6: Final answer
    x = 763.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.