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Finding the Fourth Proportional to 590.83, 885.94 and 313.34

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Solution

The fourth proportional to 590.83, 885.94 and 313.34 is: 469.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    590.83 : 885.94 = 313.34 : x
  2. Step 2: Convert to fraction form
    590.83/885.94 = 313.34/x
  3. Step 3: Cross multiply
    590.83x = 885.94 × 313.34
  4. Step 4: Simplify right side
    590.83x = 277,600.44
  5. Step 5: Solve for x
    x = 277,600.44/590.83
  6. Step 6: Final answer
    x = 469.85

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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.