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Finding the Fourth Proportional to 462.96, 693.18 and 359.34

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Solution

The fourth proportional to 462.96, 693.18 and 359.34 is: 538.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    462.96 : 693.18 = 359.34 : x
  2. Step 2: Convert to fraction form
    462.96/693.18 = 359.34/x
  3. Step 3: Cross multiply
    462.96x = 693.18 × 359.34
  4. Step 4: Simplify right side
    462.96x = 249,087.30
  5. Step 5: Solve for x
    x = 249,087.30/462.96
  6. Step 6: Final answer
    x = 538.03

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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.