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Finding the Fourth Proportional to 1,585.68, 2,376.87 and 544.83

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Solution

The fourth proportional to 1,585.68, 2,376.87 and 544.83 is: 816.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,585.68 : 2,376.87 = 544.83 : x
  2. Step 2: Convert to fraction form
    1,585.68/2,376.87 = 544.83/x
  3. Step 3: Cross multiply
    1,585.68x = 2,376.87 × 544.83
  4. Step 4: Simplify right side
    1,585.68x = 1,294,990.08
  5. Step 5: Solve for x
    x = 1,294,990.08/1,585.68
  6. Step 6: Final answer
    x = 816.68

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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.