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Finding the Fourth Proportional to 267,386.70, 401,080.05 and 214,898.70

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Solution

The fourth proportional to 267,386.70, 401,080.05 and 214,898.70 is: 322,348.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,386.70 : 401,080.05 = 214,898.70 : x
  2. Step 2: Convert to fraction form
    267,386.70/401,080.05 = 214,898.70/x
  3. Step 3: Cross multiply
    267,386.70x = 401,080.05 × 214,898.70
  4. Step 4: Simplify right side
    267,386.70x = 86,191,581,340.94
  5. Step 5: Solve for x
    x = 86,191,581,340.94/267,386.70
  6. Step 6: Final answer
    x = 322,348.05

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.