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Finding the Fourth Proportional to 2,262.74, 3,393.66 and 619.06

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Solution

The fourth proportional to 2,262.74, 3,393.66 and 619.06 is: 928.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,262.74 : 3,393.66 = 619.06 : x
  2. Step 2: Convert to fraction form
    2,262.74/3,393.66 = 619.06/x
  3. Step 3: Cross multiply
    2,262.74x = 3,393.66 × 619.06
  4. Step 4: Simplify right side
    2,262.74x = 2,100,879.36
  5. Step 5: Solve for x
    x = 2,100,879.36/2,262.74
  6. Step 6: Final answer
    x = 928.47

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1.5x scale

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.