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Finding the Fourth Proportional to 275,271.10, 412,906.65 and 233,280.70

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Solution

The fourth proportional to 275,271.10, 412,906.65 and 233,280.70 is: 349,921.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,271.10 : 412,906.65 = 233,280.70 : x
  2. Step 2: Convert to fraction form
    275,271.10/412,906.65 = 233,280.70/x
  3. Step 3: Cross multiply
    275,271.10x = 412,906.65 × 233,280.70
  4. Step 4: Simplify right side
    275,271.10x = 96,323,152,346.66
  5. Step 5: Solve for x
    x = 96,323,152,346.66/275,271.10
  6. Step 6: Final answer
    x = 349,921.05

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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.