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Finding the Fourth Proportional to 326,361, 450,393.36 and 190,373.40

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Solution

The fourth proportional to 326,361, 450,393.36 and 190,373.40 is: 262,724.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,361 : 450,393.36 = 190,373.40 : x
  2. Step 2: Convert to fraction form
    326,361/450,393.36 = 190,373.40/x
  3. Step 3: Cross multiply
    326,361x = 450,393.36 × 190,373.40
  4. Step 4: Simplify right side
    326,361x = 85,742,915,280.62
  5. Step 5: Solve for x
    x = 85,742,915,280.62/326,361
  6. Step 6: Final answer
    x = 262,724.15

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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.