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Finding the Fourth Proportional to 1,596.42, 2,394.49 and 556.15

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Solution

The fourth proportional to 1,596.42, 2,394.49 and 556.15 is: 834.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,596.42 : 2,394.49 = 556.15 : x
  2. Step 2: Convert to fraction form
    1,596.42/2,394.49 = 556.15/x
  3. Step 3: Cross multiply
    1,596.42x = 2,394.49 × 556.15
  4. Step 4: Simplify right side
    1,596.42x = 1,331,695.61
  5. Step 5: Solve for x
    x = 1,331,695.61/1,596.42
  6. Step 6: Final answer
    x = 834.18

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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.