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Finding the Fourth Proportional to 556.12, 833.73 and 263.46

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Solution

The fourth proportional to 556.12, 833.73 and 263.46 is: 394.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    556.12 : 833.73 = 263.46 : x
  2. Step 2: Convert to fraction form
    556.12/833.73 = 263.46/x
  3. Step 3: Cross multiply
    556.12x = 833.73 × 263.46
  4. Step 4: Simplify right side
    556.12x = 219,654.51
  5. Step 5: Solve for x
    x = 219,654.51/556.12
  6. Step 6: Final answer
    x = 394.98

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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.