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Finding the Fourth Proportional to 584.66, 876.97 and 340.70

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Solution

The fourth proportional to 584.66, 876.97 and 340.70 is: 511.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    584.66 : 876.97 = 340.70 : x
  2. Step 2: Convert to fraction form
    584.66/876.97 = 340.70/x
  3. Step 3: Cross multiply
    584.66x = 876.97 × 340.70
  4. Step 4: Simplify right side
    584.66x = 298,783.68
  5. Step 5: Solve for x
    x = 298,783.68/584.66
  6. Step 6: Final answer
    x = 511.04

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.