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Finding the Fourth Proportional to 476.94, 715.44 and 184.58

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Solution

The fourth proportional to 476.94, 715.44 and 184.58 is: 276.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    476.94 : 715.44 = 184.58 : x
  2. Step 2: Convert to fraction form
    476.94/715.44 = 184.58/x
  3. Step 3: Cross multiply
    476.94x = 715.44 × 184.58
  4. Step 4: Simplify right side
    476.94x = 132,055.92
  5. Step 5: Solve for x
    x = 132,055.92/476.94
  6. Step 6: Final answer
    x = 276.88

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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.