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Finding the Fourth Proportional to 589.96, 884.94 and 554.32

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Solution

The fourth proportional to 589.96, 884.94 and 554.32 is: 831.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    589.96 : 884.94 = 554.32 : x
  2. Step 2: Convert to fraction form
    589.96/884.94 = 554.32/x
  3. Step 3: Cross multiply
    589.96x = 884.94 × 554.32
  4. Step 4: Simplify right side
    589.96x = 490,532.74
  5. Step 5: Solve for x
    x = 490,532.74/589.96
  6. Step 6: Final answer
    x = 831.47

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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.