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Finding the Fourth Proportional to 340,114.50, 469,358.01 and 189,211.50

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Solution

The fourth proportional to 340,114.50, 469,358.01 and 189,211.50 is: 261,111.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,114.50 : 469,358.01 = 189,211.50 : x
  2. Step 2: Convert to fraction form
    340,114.50/469,358.01 = 189,211.50/x
  3. Step 3: Cross multiply
    340,114.50x = 469,358.01 × 189,211.50
  4. Step 4: Simplify right side
    340,114.50x = 88,807,933,109.12
  5. Step 5: Solve for x
    x = 88,807,933,109.12/340,114.50
  6. Step 6: Final answer
    x = 261,111.87

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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.