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Finding the Fourth Proportional to 556.03, 833.01 and 347.86

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Solution

The fourth proportional to 556.03, 833.01 and 347.86 is: 521.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    556.03 : 833.01 = 347.86 : x
  2. Step 2: Convert to fraction form
    556.03/833.01 = 347.86/x
  3. Step 3: Cross multiply
    556.03x = 833.01 × 347.86
  4. Step 4: Simplify right side
    556.03x = 289,770.86
  5. Step 5: Solve for x
    x = 289,770.86/556.03
  6. Step 6: Final answer
    x = 521.14

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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.