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Finding the Fourth Proportional to 554.52, 831.84 and 230.16

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Solution

The fourth proportional to 554.52, 831.84 and 230.16 is: 345.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    554.52 : 831.84 = 230.16 : x
  2. Step 2: Convert to fraction form
    554.52/831.84 = 230.16/x
  3. Step 3: Cross multiply
    554.52x = 831.84 × 230.16
  4. Step 4: Simplify right side
    554.52x = 191,456.29
  5. Step 5: Solve for x
    x = 191,456.29/554.52
  6. Step 6: Final answer
    x = 345.26

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.