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Finding the Fourth Proportional to 281,804.69, 422,762.45 and 104,313.24

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Solution

The fourth proportional to 281,804.69, 422,762.45 and 104,313.24 is: 156,490.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,804.69 : 422,762.45 = 104,313.24 : x
  2. Step 2: Convert to fraction form
    281,804.69/422,762.45 = 104,313.24/x
  3. Step 3: Cross multiply
    281,804.69x = 422,762.45 × 104,313.24
  4. Step 4: Simplify right side
    281,804.69x = 44,099,720,388.27
  5. Step 5: Solve for x
    x = 44,099,720,388.27/281,804.69
  6. Step 6: Final answer
    x = 156,490.37

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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.