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Finding the Fourth Proportional to 590.06, 814.24 and 369

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Solution

The fourth proportional to 590.06, 814.24 and 369 is: 509.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    590.06 : 814.24 = 369 : x
  2. Step 2: Convert to fraction form
    590.06/814.24 = 369/x
  3. Step 3: Cross multiply
    590.06x = 814.24 × 369
  4. Step 4: Simplify right side
    590.06x = 300,454.56
  5. Step 5: Solve for x
    x = 300,454.56/590.06
  6. Step 6: Final answer
    x = 509.19

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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.