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Finding the Fourth Proportional to 492.16, 737.16 and 395.50

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Solution

The fourth proportional to 492.16, 737.16 and 395.50 is: 592.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    492.16 : 737.16 = 395.50 : x
  2. Step 2: Convert to fraction form
    492.16/737.16 = 395.50/x
  3. Step 3: Cross multiply
    492.16x = 737.16 × 395.50
  4. Step 4: Simplify right side
    492.16x = 291,546.78
  5. Step 5: Solve for x
    x = 291,546.78/492.16
  6. Step 6: Final answer
    x = 592.38

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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.