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Finding the Fourth Proportional to 554.18, 831.47 and 246.00

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Solution

The fourth proportional to 554.18, 831.47 and 246.00 is: 369.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    554.18 : 831.47 = 246.00 : x
  2. Step 2: Convert to fraction form
    554.18/831.47 = 246.00/x
  3. Step 3: Cross multiply
    554.18x = 831.47 × 246.00
  4. Step 4: Simplify right side
    554.18x = 204,543.51
  5. Step 5: Solve for x
    x = 204,543.51/554.18
  6. Step 6: Final answer
    x = 369.09

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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.