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Finding the Fourth Proportional to 463.34, 693.38 and 354.26

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Solution

The fourth proportional to 463.34, 693.38 and 354.26 is: 530.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    463.34 : 693.38 = 354.26 : x
  2. Step 2: Convert to fraction form
    463.34/693.38 = 354.26/x
  3. Step 3: Cross multiply
    463.34x = 693.38 × 354.26
  4. Step 4: Simplify right side
    463.34x = 245,636.80
  5. Step 5: Solve for x
    x = 245,636.80/463.34
  6. Step 6: Final answer
    x = 530.14

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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.