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Finding the Fourth Proportional to 586.67, 809.55 and 324.68

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Solution

The fourth proportional to 586.67, 809.55 and 324.68 is: 448.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    586.67 : 809.55 = 324.68 : x
  2. Step 2: Convert to fraction form
    586.67/809.55 = 324.68/x
  3. Step 3: Cross multiply
    586.67x = 809.55 × 324.68
  4. Step 4: Simplify right side
    586.67x = 262,840.65
  5. Step 5: Solve for x
    x = 262,840.65/586.67
  6. Step 6: Final answer
    x = 448.03

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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.