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Finding the Fourth Proportional to 590.42, 815.43 and 467.00

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Solution

The fourth proportional to 590.42, 815.43 and 467.00 is: 644.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    590.42 : 815.43 = 467.00 : x
  2. Step 2: Convert to fraction form
    590.42/815.43 = 467.00/x
  3. Step 3: Cross multiply
    590.42x = 815.43 × 467.00
  4. Step 4: Simplify right side
    590.42x = 380,806.54
  5. Step 5: Solve for x
    x = 380,806.54/590.42
  6. Step 6: Final answer
    x = 644.97

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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.