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Finding the Fourth Proportional to 301,961.28, 453,782.88 and 281,969.94

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Solution

The fourth proportional to 301,961.28, 453,782.88 and 281,969.94 is: 423,740.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,961.28 : 453,782.88 = 281,969.94 : x
  2. Step 2: Convert to fraction form
    301,961.28/453,782.88 = 281,969.94/x
  3. Step 3: Cross multiply
    301,961.28x = 453,782.88 × 281,969.94
  4. Step 4: Simplify right side
    301,961.28x = 127,953,131,446.63
  5. Step 5: Solve for x
    x = 127,953,131,446.63/301,961.28
  6. Step 6: Final answer
    x = 423,740.19

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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.