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Finding the Fourth Proportional to 597.47, 894.31 and 574.79

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Solution

The fourth proportional to 597.47, 894.31 and 574.79 is: 860.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    597.47 : 894.31 = 574.79 : x
  2. Step 2: Convert to fraction form
    597.47/894.31 = 574.79/x
  3. Step 3: Cross multiply
    597.47x = 894.31 × 574.79
  4. Step 4: Simplify right side
    597.47x = 514,040.44
  5. Step 5: Solve for x
    x = 514,040.44/597.47
  6. Step 6: Final answer
    x = 860.36

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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.