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Finding the Fourth Proportional to 519,117.26, 716,408.96 and 304,326.32

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Solution

The fourth proportional to 519,117.26, 716,408.96 and 304,326.32 is: 419,986.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,117.26 : 716,408.96 = 304,326.32 : x
  2. Step 2: Convert to fraction form
    519,117.26/716,408.96 = 304,326.32/x
  3. Step 3: Cross multiply
    519,117.26x = 716,408.96 × 304,326.32
  4. Step 4: Simplify right side
    519,117.26x = 218,022,097,308.15
  5. Step 5: Solve for x
    x = 218,022,097,308.15/519,117.26
  6. Step 6: Final answer
    x = 419,986.23

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