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Finding the Fourth Proportional to 379,644.26, 569,250.72 and 154,741.28

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Solution

The fourth proportional to 379,644.26, 569,250.72 and 154,741.28 is: 232,024.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,644.26 : 569,250.72 = 154,741.28 : x
  2. Step 2: Convert to fraction form
    379,644.26/569,250.72 = 154,741.28/x
  3. Step 3: Cross multiply
    379,644.26x = 569,250.72 × 154,741.28
  4. Step 4: Simplify right side
    379,644.26x = 88,086,582,207.47
  5. Step 5: Solve for x
    x = 88,086,582,207.47/379,644.26
  6. Step 6: Final answer
    x = 232,024.01

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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.