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Finding the Fourth Proportional to 473.84, 710.66 and 181.13

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Solution

The fourth proportional to 473.84, 710.66 and 181.13 is: 271.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    473.84 : 710.66 = 181.13 : x
  2. Step 2: Convert to fraction form
    473.84/710.66 = 181.13/x
  3. Step 3: Cross multiply
    473.84x = 710.66 × 181.13
  4. Step 4: Simplify right side
    473.84x = 128,722.72
  5. Step 5: Solve for x
    x = 128,722.72/473.84
  6. Step 6: Final answer
    x = 271.66

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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.