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Finding the Fourth Proportional to 651.24, 975.94 and 574.04

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Solution

The fourth proportional to 651.24, 975.94 and 574.04 is: 860.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    651.24 : 975.94 = 574.04 : x
  2. Step 2: Convert to fraction form
    651.24/975.94 = 574.04/x
  3. Step 3: Cross multiply
    651.24x = 975.94 × 574.04
  4. Step 4: Simplify right side
    651.24x = 560,228.60
  5. Step 5: Solve for x
    x = 560,228.60/651.24
  6. Step 6: Final answer
    x = 860.25

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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.