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Finding the Fourth Proportional to 531,763.80, 798,112.26 and 295,373.40

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Solution

The fourth proportional to 531,763.80, 798,112.26 and 295,373.40 is: 443,319.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,763.80 : 798,112.26 = 295,373.40 : x
  2. Step 2: Convert to fraction form
    531,763.80/798,112.26 = 295,373.40/x
  3. Step 3: Cross multiply
    531,763.80x = 798,112.26 × 295,373.40
  4. Step 4: Simplify right side
    531,763.80x = 235,741,131,817.88
  5. Step 5: Solve for x
    x = 235,741,131,817.88/531,763.80
  6. Step 6: Final answer
    x = 443,319.26

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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.