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Finding the Fourth Proportional to 583.04, 874.60 and 515.04

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Solution

The fourth proportional to 583.04, 874.60 and 515.04 is: 772.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    583.04 : 874.60 = 515.04 : x
  2. Step 2: Convert to fraction form
    583.04/874.60 = 515.04/x
  3. Step 3: Cross multiply
    583.04x = 874.60 × 515.04
  4. Step 4: Simplify right side
    583.04x = 450,453.98
  5. Step 5: Solve for x
    x = 450,453.98/583.04
  6. Step 6: Final answer
    x = 772.60

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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.