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Finding the Fourth Proportional to 941.10, 1,409.76 and 529.62

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Solution

The fourth proportional to 941.10, 1,409.76 and 529.62 is: 793.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    941.10 : 1,409.76 = 529.62 : x
  2. Step 2: Convert to fraction form
    941.10/1,409.76 = 529.62/x
  3. Step 3: Cross multiply
    941.10x = 1,409.76 × 529.62
  4. Step 4: Simplify right side
    941.10x = 746,637.09
  5. Step 5: Solve for x
    x = 746,637.09/941.10
  6. Step 6: Final answer
    x = 793.37

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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.