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Finding the Fourth Proportional to 1,756.34, 2,634.69 and 602.18

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Solution

The fourth proportional to 1,756.34, 2,634.69 and 602.18 is: 903.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,756.34 : 2,634.69 = 602.18 : x
  2. Step 2: Convert to fraction form
    1,756.34/2,634.69 = 602.18/x
  3. Step 3: Cross multiply
    1,756.34x = 2,634.69 × 602.18
  4. Step 4: Simplify right side
    1,756.34x = 1,586,557.62
  5. Step 5: Solve for x
    x = 1,586,557.62/1,756.34
  6. Step 6: Final answer
    x = 903.33

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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.