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Finding the Fourth Proportional to 1,596.32, 2,395.08 and 556.40

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Solution

The fourth proportional to 1,596.32, 2,395.08 and 556.40 is: 834.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,596.32 : 2,395.08 = 556.40 : x
  2. Step 2: Convert to fraction form
    1,596.32/2,395.08 = 556.40/x
  3. Step 3: Cross multiply
    1,596.32x = 2,395.08 × 556.40
  4. Step 4: Simplify right side
    1,596.32x = 1,332,622.51
  5. Step 5: Solve for x
    x = 1,332,622.51/1,596.32
  6. Step 6: Final answer
    x = 834.81

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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.