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Finding the Fourth Proportional to 590.58, 815.02 and 341.98

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Solution

The fourth proportional to 590.58, 815.02 and 341.98 is: 471.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    590.58 : 815.02 = 341.98 : x
  2. Step 2: Convert to fraction form
    590.58/815.02 = 341.98/x
  3. Step 3: Cross multiply
    590.58x = 815.02 × 341.98
  4. Step 4: Simplify right side
    590.58x = 278,717.65
  5. Step 5: Solve for x
    x = 278,717.65/590.58
  6. Step 6: Final answer
    x = 471.94

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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.