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Finding the Fourth Proportional to 564.93, 779.61 and 332.07

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Solution

The fourth proportional to 564.93, 779.61 and 332.07 is: 458.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    564.93 : 779.61 = 332.07 : x
  2. Step 2: Convert to fraction form
    564.93/779.61 = 332.07/x
  3. Step 3: Cross multiply
    564.93x = 779.61 × 332.07
  4. Step 4: Simplify right side
    564.93x = 258,885.09
  5. Step 5: Solve for x
    x = 258,885.09/564.93
  6. Step 6: Final answer
    x = 458.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.