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Finding the Fourth Proportional to 1,097.90, 1,515.15 and 600.59

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Solution

The fourth proportional to 1,097.90, 1,515.15 and 600.59 is: 828.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,097.90 : 1,515.15 = 600.59 : x
  2. Step 2: Convert to fraction form
    1,097.90/1,515.15 = 600.59/x
  3. Step 3: Cross multiply
    1,097.90x = 1,515.15 × 600.59
  4. Step 4: Simplify right side
    1,097.90x = 909,983.94
  5. Step 5: Solve for x
    x = 909,983.94/1,097.90
  6. Step 6: Final answer
    x = 828.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.