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Finding the Fourth Proportional to 1,616.72, 2,423.64 and 590.48

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Solution

The fourth proportional to 1,616.72, 2,423.64 and 590.48 is: 885.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,616.72 : 2,423.64 = 590.48 : x
  2. Step 2: Convert to fraction form
    1,616.72/2,423.64 = 590.48/x
  3. Step 3: Cross multiply
    1,616.72x = 2,423.64 × 590.48
  4. Step 4: Simplify right side
    1,616.72x = 1,431,110.95
  5. Step 5: Solve for x
    x = 1,431,110.95/1,616.72
  6. Step 6: Final answer
    x = 885.19

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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.