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Finding the Fourth Proportional to 270,872.20, 405,386.70 and 237,694.60

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Solution

The fourth proportional to 270,872.20, 405,386.70 and 237,694.60 is: 355,733.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,872.20 : 405,386.70 = 237,694.60 : x
  2. Step 2: Convert to fraction form
    270,872.20/405,386.70 = 237,694.60/x
  3. Step 3: Cross multiply
    270,872.20x = 405,386.70 × 237,694.60
  4. Step 4: Simplify right side
    270,872.20x = 96,358,229,501.82
  5. Step 5: Solve for x
    x = 96,358,229,501.82/270,872.20
  6. Step 6: Final answer
    x = 355,733.18

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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.