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Finding the Fourth Proportional to 361,769.28, 540,019.08 and 335,087.88

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Solution

The fourth proportional to 361,769.28, 540,019.08 and 335,087.88 is: 500,191.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,769.28 : 540,019.08 = 335,087.88 : x
  2. Step 2: Convert to fraction form
    361,769.28/540,019.08 = 335,087.88/x
  3. Step 3: Cross multiply
    361,769.28x = 540,019.08 × 335,087.88
  4. Step 4: Simplify right side
    361,769.28x = 180,953,848,676.75
  5. Step 5: Solve for x
    x = 180,953,848,676.75/361,769.28
  6. Step 6: Final answer
    x = 500,191.31

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.