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Finding the Fourth Proportional to 350,889.31, 484,199.31 and 197,878.42

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Solution

The fourth proportional to 350,889.31, 484,199.31 and 197,878.42 is: 273,056.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,889.31 : 484,199.31 = 197,878.42 : x
  2. Step 2: Convert to fraction form
    350,889.31/484,199.31 = 197,878.42/x
  3. Step 3: Cross multiply
    350,889.31x = 484,199.31 × 197,878.42
  4. Step 4: Simplify right side
    350,889.31x = 95,812,594,427.89
  5. Step 5: Solve for x
    x = 95,812,594,427.89/350,889.31
  6. Step 6: Final answer
    x = 273,056.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.