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Finding the Fourth Proportional to 590.15, 883.41 and 425.36

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Solution

The fourth proportional to 590.15, 883.41 and 425.36 is: 636.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    590.15 : 883.41 = 425.36 : x
  2. Step 2: Convert to fraction form
    590.15/883.41 = 425.36/x
  3. Step 3: Cross multiply
    590.15x = 883.41 × 425.36
  4. Step 4: Simplify right side
    590.15x = 375,767.28
  5. Step 5: Solve for x
    x = 375,767.28/590.15
  6. Step 6: Final answer
    x = 636.73

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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.