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Finding the Fourth Proportional to 351,047.89, 484,444.63 and 189,902.54

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Solution

The fourth proportional to 351,047.89, 484,444.63 and 189,902.54 is: 262,064.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,047.89 : 484,444.63 = 189,902.54 : x
  2. Step 2: Convert to fraction form
    351,047.89/484,444.63 = 189,902.54/x
  3. Step 3: Cross multiply
    351,047.89x = 484,444.63 × 189,902.54
  4. Step 4: Simplify right side
    351,047.89x = 91,997,267,174.85
  5. Step 5: Solve for x
    x = 91,997,267,174.85/351,047.89
  6. Step 6: Final answer
    x = 262,064.72

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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.