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Finding the Fourth Proportional to 554.84, 831.35 and 246.23

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Solution

The fourth proportional to 554.84, 831.35 and 246.23 is: 368.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    554.84 : 831.35 = 246.23 : x
  2. Step 2: Convert to fraction form
    554.84/831.35 = 246.23/x
  3. Step 3: Cross multiply
    554.84x = 831.35 × 246.23
  4. Step 4: Simplify right side
    554.84x = 204,702.08
  5. Step 5: Solve for x
    x = 204,702.08/554.84
  6. Step 6: Final answer
    x = 368.94

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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.