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Finding the Fourth Proportional to 1,522.88, 2,284.31 and 368.63

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Solution

The fourth proportional to 1,522.88, 2,284.31 and 368.63 is: 552.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,522.88 : 2,284.31 = 368.63 : x
  2. Step 2: Convert to fraction form
    1,522.88/2,284.31 = 368.63/x
  3. Step 3: Cross multiply
    1,522.88x = 2,284.31 × 368.63
  4. Step 4: Simplify right side
    1,522.88x = 842,054.70
  5. Step 5: Solve for x
    x = 842,054.70/1,522.88
  6. Step 6: Final answer
    x = 552.94

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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.