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Finding the Fourth Proportional to 554.58, 831.60 and 246.33

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Solution

The fourth proportional to 554.58, 831.60 and 246.33 is: 369.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    554.58 : 831.60 = 246.33 : x
  2. Step 2: Convert to fraction form
    554.58/831.60 = 246.33/x
  3. Step 3: Cross multiply
    554.58x = 831.60 × 246.33
  4. Step 4: Simplify right side
    554.58x = 204,848.03
  5. Step 5: Solve for x
    x = 204,848.03/554.58
  6. Step 6: Final answer
    x = 369.38

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Similar ratio
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1.5x scale

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.