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Finding the Fourth Proportional to 566.56, 848.06 and 389.83

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Solution

The fourth proportional to 566.56, 848.06 and 389.83 is: 583.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    566.56 : 848.06 = 389.83 : x
  2. Step 2: Convert to fraction form
    566.56/848.06 = 389.83/x
  3. Step 3: Cross multiply
    566.56x = 848.06 × 389.83
  4. Step 4: Simplify right side
    566.56x = 330,600.13
  5. Step 5: Solve for x
    x = 330,600.13/566.56
  6. Step 6: Final answer
    x = 583.52

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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.