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Finding the Fourth Proportional to 575,847.67, 794,667.42 and 317,740.66

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Solution

The fourth proportional to 575,847.67, 794,667.42 and 317,740.66 is: 438,480.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,847.67 : 794,667.42 = 317,740.66 : x
  2. Step 2: Convert to fraction form
    575,847.67/794,667.42 = 317,740.66/x
  3. Step 3: Cross multiply
    575,847.67x = 794,667.42 × 317,740.66
  4. Step 4: Simplify right side
    575,847.67x = 252,498,150,511.30
  5. Step 5: Solve for x
    x = 252,498,150,511.30/575,847.67
  6. Step 6: Final answer
    x = 438,480.81

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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.