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Finding the Fourth Proportional to 379,486.23, 569,231.83 and 151,800.89

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Solution

The fourth proportional to 379,486.23, 569,231.83 and 151,800.89 is: 227,702.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,486.23 : 569,231.83 = 151,800.89 : x
  2. Step 2: Convert to fraction form
    379,486.23/569,231.83 = 151,800.89/x
  3. Step 3: Cross multiply
    379,486.23x = 569,231.83 × 151,800.89
  4. Step 4: Simplify right side
    379,486.23x = 86,409,895,326.98
  5. Step 5: Solve for x
    x = 86,409,895,326.98/379,486.23
  6. Step 6: Final answer
    x = 227,702.32

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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.