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Finding the Fourth Proportional to 597.42, 894.33 and 391.59

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Solution

The fourth proportional to 597.42, 894.33 and 391.59 is: 586.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    597.42 : 894.33 = 391.59 : x
  2. Step 2: Convert to fraction form
    597.42/894.33 = 391.59/x
  3. Step 3: Cross multiply
    597.42x = 894.33 × 391.59
  4. Step 4: Simplify right side
    597.42x = 350,210.68
  5. Step 5: Solve for x
    x = 350,210.68/597.42
  6. Step 6: Final answer
    x = 586.21

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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.