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Finding the Fourth Proportional to 575,474.22, 794,137.31 and 317,351.15

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Solution

The fourth proportional to 575,474.22, 794,137.31 and 317,351.15 is: 437,935.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,474.22 : 794,137.31 = 317,351.15 : x
  2. Step 2: Convert to fraction form
    575,474.22/794,137.31 = 317,351.15/x
  3. Step 3: Cross multiply
    575,474.22x = 794,137.31 × 317,351.15
  4. Step 4: Simplify right side
    575,474.22x = 252,020,383,028.96
  5. Step 5: Solve for x
    x = 252,020,383,028.96/575,474.22
  6. Step 6: Final answer
    x = 437,935.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.