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Finding the Fourth Proportional to 575,823.26, 794,633.86 and 317,716.27

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Solution

The fourth proportional to 575,823.26, 794,633.86 and 317,716.27 is: 438,447.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,823.26 : 794,633.86 = 317,716.27 : x
  2. Step 2: Convert to fraction form
    575,823.26/794,633.86 = 317,716.27/x
  3. Step 3: Cross multiply
    575,823.26x = 794,633.86 × 317,716.27
  4. Step 4: Simplify right side
    575,823.26x = 252,468,106,014.90
  5. Step 5: Solve for x
    x = 252,468,106,014.90/575,823.26
  6. Step 6: Final answer
    x = 438,447.22

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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.