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Finding the Fourth Proportional to 736.71, 1,102.67 and 462.99

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Solution

The fourth proportional to 736.71, 1,102.67 and 462.99 is: 692.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    736.71 : 1,102.67 = 462.99 : x
  2. Step 2: Convert to fraction form
    736.71/1,102.67 = 462.99/x
  3. Step 3: Cross multiply
    736.71x = 1,102.67 × 462.99
  4. Step 4: Simplify right side
    736.71x = 510,522.87
  5. Step 5: Solve for x
    x = 510,522.87/736.71
  6. Step 6: Final answer
    x = 692.98

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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.