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Finding the Fourth Proportional to 476.69, 713.61 and 366.93

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Solution

The fourth proportional to 476.69, 713.61 and 366.93 is: 549.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    476.69 : 713.61 = 366.93 : x
  2. Step 2: Convert to fraction form
    476.69/713.61 = 366.93/x
  3. Step 3: Cross multiply
    476.69x = 713.61 × 366.93
  4. Step 4: Simplify right side
    476.69x = 261,844.92
  5. Step 5: Solve for x
    x = 261,844.92/476.69
  6. Step 6: Final answer
    x = 549.30

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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.