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Finding the Fourth Proportional to 428,094.80, 590,738.28 and 237,104.08

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Solution

The fourth proportional to 428,094.80, 590,738.28 and 237,104.08 is: 327,185.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,094.80 : 590,738.28 = 237,104.08 : x
  2. Step 2: Convert to fraction form
    428,094.80/590,738.28 = 237,104.08/x
  3. Step 3: Cross multiply
    428,094.80x = 590,738.28 × 237,104.08
  4. Step 4: Simplify right side
    428,094.80x = 140,066,456,400.18
  5. Step 5: Solve for x
    x = 140,066,456,400.18/428,094.80
  6. Step 6: Final answer
    x = 327,185.61

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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.