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Finding the Fourth Proportional to 941.16, 1,411.98 and 363.84

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Solution

The fourth proportional to 941.16, 1,411.98 and 363.84 is: 545.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    941.16 : 1,411.98 = 363.84 : x
  2. Step 2: Convert to fraction form
    941.16/1,411.98 = 363.84/x
  3. Step 3: Cross multiply
    941.16x = 1,411.98 × 363.84
  4. Step 4: Simplify right side
    941.16x = 513,734.80
  5. Step 5: Solve for x
    x = 513,734.80/941.16
  6. Step 6: Final answer
    x = 545.85

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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.