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Finding the Fourth Proportional to 1,734.84, 2,602.28 and 694.93

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Solution

The fourth proportional to 1,734.84, 2,602.28 and 694.93 is: 1,042.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,734.84 : 2,602.28 = 694.93 : x
  2. Step 2: Convert to fraction form
    1,734.84/2,602.28 = 694.93/x
  3. Step 3: Cross multiply
    1,734.84x = 2,602.28 × 694.93
  4. Step 4: Simplify right side
    1,734.84x = 1,808,398.97
  5. Step 5: Solve for x
    x = 1,808,398.97/1,734.84
  6. Step 6: Final answer
    x = 1,042.40

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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.