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Finding the Fourth Proportional to 200,820.70, 301,231.05 and 197,710.30

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Solution

The fourth proportional to 200,820.70, 301,231.05 and 197,710.30 is: 296,565.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,820.70 : 301,231.05 = 197,710.30 : x
  2. Step 2: Convert to fraction form
    200,820.70/301,231.05 = 197,710.30/x
  3. Step 3: Cross multiply
    200,820.70x = 301,231.05 × 197,710.30
  4. Step 4: Simplify right side
    200,820.70x = 59,556,481,264.82
  5. Step 5: Solve for x
    x = 59,556,481,264.82/200,820.70
  6. Step 6: Final answer
    x = 296,565.45

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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.