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Finding the Fourth Proportional to 575,994.70, 794,917.29 and 317,922.22

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Solution

The fourth proportional to 575,994.70, 794,917.29 and 317,922.22 is: 438,757.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,994.70 : 794,917.29 = 317,922.22 : x
  2. Step 2: Convert to fraction form
    575,994.70/794,917.29 = 317,922.22/x
  3. Step 3: Cross multiply
    575,994.70x = 794,917.29 × 317,922.22
  4. Step 4: Simplify right side
    575,994.70x = 252,721,869,553.18
  5. Step 5: Solve for x
    x = 252,721,869,553.18/575,994.70
  6. Step 6: Final answer
    x = 438,757.28

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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.