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Finding the Fourth Proportional to 543,451.50, 749,986.50 and 301,734.11

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Solution

The fourth proportional to 543,451.50, 749,986.50 and 301,734.11 is: 416,406.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,451.50 : 749,986.50 = 301,734.11 : x
  2. Step 2: Convert to fraction form
    543,451.50/749,986.50 = 301,734.11/x
  3. Step 3: Cross multiply
    543,451.50x = 749,986.50 × 301,734.11
  4. Step 4: Simplify right side
    543,451.50x = 226,296,505,339.58
  5. Step 5: Solve for x
    x = 226,296,505,339.58/543,451.50
  6. Step 6: Final answer
    x = 416,406.07

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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.