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Finding the Fourth Proportional to 270,231.52, 405,428.56 and 191,497.44

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Solution

The fourth proportional to 270,231.52, 405,428.56 and 191,497.44 is: 287,303.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,231.52 : 405,428.56 = 191,497.44 : x
  2. Step 2: Convert to fraction form
    270,231.52/405,428.56 = 191,497.44/x
  3. Step 3: Cross multiply
    270,231.52x = 405,428.56 × 191,497.44
  4. Step 4: Simplify right side
    270,231.52x = 77,638,531,342.89
  5. Step 5: Solve for x
    x = 77,638,531,342.89/270,231.52
  6. Step 6: Final answer
    x = 287,303.76

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1.5x scale

Why These Related Problems?

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