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Finding the Fourth Proportional to 462.29, 693.81 and 188.57

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Solution

The fourth proportional to 462.29, 693.81 and 188.57 is: 283.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    462.29 : 693.81 = 188.57 : x
  2. Step 2: Convert to fraction form
    462.29/693.81 = 188.57/x
  3. Step 3: Cross multiply
    462.29x = 693.81 × 188.57
  4. Step 4: Simplify right side
    462.29x = 130,831.75
  5. Step 5: Solve for x
    x = 130,831.75/462.29
  6. Step 6: Final answer
    x = 283.01

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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.