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Finding the Fourth Proportional to 424.69, 585.97 and 259.00

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Solution

The fourth proportional to 424.69, 585.97 and 259.00 is: 357.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    424.69 : 585.97 = 259.00 : x
  2. Step 2: Convert to fraction form
    424.69/585.97 = 259.00/x
  3. Step 3: Cross multiply
    424.69x = 585.97 × 259.00
  4. Step 4: Simplify right side
    424.69x = 151,764.12
  5. Step 5: Solve for x
    x = 151,764.12/424.69
  6. Step 6: Final answer
    x = 357.35

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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.