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Finding the Fourth Proportional to 428,176.44, 590,876.04 and 237,185.88

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Solution

The fourth proportional to 428,176.44, 590,876.04 and 237,185.88 is: 327,312.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,176.44 : 590,876.04 = 237,185.88 : x
  2. Step 2: Convert to fraction form
    428,176.44/590,876.04 = 237,185.88/x
  3. Step 3: Cross multiply
    428,176.44x = 590,876.04 × 237,185.88
  4. Step 4: Simplify right side
    428,176.44x = 140,147,453,518.32
  5. Step 5: Solve for x
    x = 140,147,453,518.32/428,176.44
  6. Step 6: Final answer
    x = 327,312.39

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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.