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Finding the Fourth Proportional to 2,259.66, 3,389.42 and 616.44

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Solution

The fourth proportional to 2,259.66, 3,389.42 and 616.44 is: 924.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,259.66 : 3,389.42 = 616.44 : x
  2. Step 2: Convert to fraction form
    2,259.66/3,389.42 = 616.44/x
  3. Step 3: Cross multiply
    2,259.66x = 3,389.42 × 616.44
  4. Step 4: Simplify right side
    2,259.66x = 2,089,374.06
  5. Step 5: Solve for x
    x = 2,089,374.06/2,259.66
  6. Step 6: Final answer
    x = 924.64

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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.