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Finding the Fourth Proportional to 1,772.46, 2,658.06 and 602.28

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Solution

The fourth proportional to 1,772.46, 2,658.06 and 602.28 is: 903.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,772.46 : 2,658.06 = 602.28 : x
  2. Step 2: Convert to fraction form
    1,772.46/2,658.06 = 602.28/x
  3. Step 3: Cross multiply
    1,772.46x = 2,658.06 × 602.28
  4. Step 4: Simplify right side
    1,772.46x = 1,600,896.38
  5. Step 5: Solve for x
    x = 1,600,896.38/1,772.46
  6. Step 6: Final answer
    x = 903.21

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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.