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Finding the Fourth Proportional to 713,272.15, 984,416.28 and 441,427.60

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Solution

The fourth proportional to 713,272.15, 984,416.28 and 441,427.60 is: 609,232.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,272.15 : 984,416.28 = 441,427.60 : x
  2. Step 2: Convert to fraction form
    713,272.15/984,416.28 = 441,427.60/x
  3. Step 3: Cross multiply
    713,272.15x = 984,416.28 × 441,427.60
  4. Step 4: Simplify right side
    713,272.15x = 434,548,515,881.33
  5. Step 5: Solve for x
    x = 434,548,515,881.33/713,272.15
  6. Step 6: Final answer
    x = 609,232.42

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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.