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Finding the Fourth Proportional to 1,596.15, 2,392.85 and 608.42

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Solution

The fourth proportional to 1,596.15, 2,392.85 and 608.42 is: 912.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,596.15 : 2,392.85 = 608.42 : x
  2. Step 2: Convert to fraction form
    1,596.15/2,392.85 = 608.42/x
  3. Step 3: Cross multiply
    1,596.15x = 2,392.85 × 608.42
  4. Step 4: Simplify right side
    1,596.15x = 1,455,857.80
  5. Step 5: Solve for x
    x = 1,455,857.80/1,596.15
  6. Step 6: Final answer
    x = 912.11

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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.