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Finding the Fourth Proportional to 473.94, 710.42 and 181.36

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Solution

The fourth proportional to 473.94, 710.42 and 181.36 is: 271.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    473.94 : 710.42 = 181.36 : x
  2. Step 2: Convert to fraction form
    473.94/710.42 = 181.36/x
  3. Step 3: Cross multiply
    473.94x = 710.42 × 181.36
  4. Step 4: Simplify right side
    473.94x = 128,841.77
  5. Step 5: Solve for x
    x = 128,841.77/473.94
  6. Step 6: Final answer
    x = 271.85

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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.