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Finding the Fourth Proportional to 675,185.54, 1,011,653.81 and 475,085.54

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Solution

The fourth proportional to 675,185.54, 1,011,653.81 and 475,085.54 is: 711,837.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,185.54 : 1,011,653.81 = 475,085.54 : x
  2. Step 2: Convert to fraction form
    675,185.54/1,011,653.81 = 475,085.54/x
  3. Step 3: Cross multiply
    675,185.54x = 1,011,653.81 × 475,085.54
  4. Step 4: Simplify right side
    675,185.54x = 480,622,089,183.21
  5. Step 5: Solve for x
    x = 480,622,089,183.21/675,185.54
  6. Step 6: Final answer
    x = 711,837.06

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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.