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Finding the Fourth Proportional to 531,760.80, 798,107.76 and 295,370.40

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Solution

The fourth proportional to 531,760.80, 798,107.76 and 295,370.40 is: 443,314.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,760.80 : 798,107.76 = 295,370.40 : x
  2. Step 2: Convert to fraction form
    531,760.80/798,107.76 = 295,370.40/x
  3. Step 3: Cross multiply
    531,760.80x = 798,107.76 × 295,370.40
  4. Step 4: Simplify right side
    531,760.80x = 235,737,408,314.30
  5. Step 5: Solve for x
    x = 235,737,408,314.30/531,760.80
  6. Step 6: Final answer
    x = 443,314.75

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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.