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Finding the Fourth Proportional to 569.98, 856.93 and 554.44

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Solution

The fourth proportional to 569.98, 856.93 and 554.44 is: 833.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    569.98 : 856.93 = 554.44 : x
  2. Step 2: Convert to fraction form
    569.98/856.93 = 554.44/x
  3. Step 3: Cross multiply
    569.98x = 856.93 × 554.44
  4. Step 4: Simplify right side
    569.98x = 475,111.98
  5. Step 5: Solve for x
    x = 475,111.98/569.98
  6. Step 6: Final answer
    x = 833.56

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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.