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Finding the Fourth Proportional to 555.04, 831.03 and 444.79

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Solution

The fourth proportional to 555.04, 831.03 and 444.79 is: 665.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    555.04 : 831.03 = 444.79 : x
  2. Step 2: Convert to fraction form
    555.04/831.03 = 444.79/x
  3. Step 3: Cross multiply
    555.04x = 831.03 × 444.79
  4. Step 4: Simplify right side
    555.04x = 369,633.83
  5. Step 5: Solve for x
    x = 369,633.83/555.04
  6. Step 6: Final answer
    x = 665.96

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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.