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Finding the Fourth Proportional to 263,399.76, 362,762.28 and 227,578.32

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Solution

The fourth proportional to 263,399.76, 362,762.28 and 227,578.32 is: 313,427.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,399.76 : 362,762.28 = 227,578.32 : x
  2. Step 2: Convert to fraction form
    263,399.76/362,762.28 = 227,578.32/x
  3. Step 3: Cross multiply
    263,399.76x = 362,762.28 × 227,578.32
  4. Step 4: Simplify right side
    263,399.76x = 82,556,830,241.77
  5. Step 5: Solve for x
    x = 82,556,830,241.77/263,399.76
  6. Step 6: Final answer
    x = 313,427.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.