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Finding the Fourth Proportional to 941.28, 1,410.12 and 529.17

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Solution

The fourth proportional to 941.28, 1,410.12 and 529.17 is: 792.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    941.28 : 1,410.12 = 529.17 : x
  2. Step 2: Convert to fraction form
    941.28/1,410.12 = 529.17/x
  3. Step 3: Cross multiply
    941.28x = 1,410.12 × 529.17
  4. Step 4: Simplify right side
    941.28x = 746,193.20
  5. Step 5: Solve for x
    x = 746,193.20/941.28
  6. Step 6: Final answer
    x = 792.74

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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.