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Finding the Fourth Proportional to 476.16, 713.85 and 183.48

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Solution

The fourth proportional to 476.16, 713.85 and 183.48 is: 275.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    476.16 : 713.85 = 183.48 : x
  2. Step 2: Convert to fraction form
    476.16/713.85 = 183.48/x
  3. Step 3: Cross multiply
    476.16x = 713.85 × 183.48
  4. Step 4: Simplify right side
    476.16x = 130,977.20
  5. Step 5: Solve for x
    x = 130,977.20/476.16
  6. Step 6: Final answer
    x = 275.07

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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.