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Finding the Fourth Proportional to 601.58, 830.19 and 339.62

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Solution

The fourth proportional to 601.58, 830.19 and 339.62 is: 468.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    601.58 : 830.19 = 339.62 : x
  2. Step 2: Convert to fraction form
    601.58/830.19 = 339.62/x
  3. Step 3: Cross multiply
    601.58x = 830.19 × 339.62
  4. Step 4: Simplify right side
    601.58x = 281,944.98
  5. Step 5: Solve for x
    x = 281,944.98/601.58
  6. Step 6: Final answer
    x = 468.68

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.