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Finding the Fourth Proportional to 1,583.85, 2,376.18 and 609.69

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Solution

The fourth proportional to 1,583.85, 2,376.18 and 609.69 is: 914.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,583.85 : 2,376.18 = 609.69 : x
  2. Step 2: Convert to fraction form
    1,583.85/2,376.18 = 609.69/x
  3. Step 3: Cross multiply
    1,583.85x = 2,376.18 × 609.69
  4. Step 4: Simplify right side
    1,583.85x = 1,448,733.18
  5. Step 5: Solve for x
    x = 1,448,733.18/1,583.85
  6. Step 6: Final answer
    x = 914.69

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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.