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Finding the Fourth Proportional to 902.93, 1,352.40 and 695.99

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Solution

The fourth proportional to 902.93, 1,352.40 and 695.99 is: 1,042.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    902.93 : 1,352.40 = 695.99 : x
  2. Step 2: Convert to fraction form
    902.93/1,352.40 = 695.99/x
  3. Step 3: Cross multiply
    902.93x = 1,352.40 × 695.99
  4. Step 4: Simplify right side
    902.93x = 941,256.88
  5. Step 5: Solve for x
    x = 941,256.88/902.93
  6. Step 6: Final answer
    x = 1,042.45

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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.