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Finding the Fourth Proportional to 476.58, 714.53 and 183.83

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Solution

The fourth proportional to 476.58, 714.53 and 183.83 is: 275.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    476.58 : 714.53 = 183.83 : x
  2. Step 2: Convert to fraction form
    476.58/714.53 = 183.83/x
  3. Step 3: Cross multiply
    476.58x = 714.53 × 183.83
  4. Step 4: Simplify right side
    476.58x = 131,352.05
  5. Step 5: Solve for x
    x = 131,352.05/476.58
  6. Step 6: Final answer
    x = 275.61

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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.