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Finding the Fourth Proportional to 428,549.84, 591,359.00 and 237,546.98

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Solution

The fourth proportional to 428,549.84, 591,359.00 and 237,546.98 is: 327,792.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,549.84 : 591,359.00 = 237,546.98 : x
  2. Step 2: Convert to fraction form
    428,549.84/591,359.00 = 237,546.98/x
  3. Step 3: Cross multiply
    428,549.84x = 591,359.00 × 237,546.98
  4. Step 4: Simplify right side
    428,549.84x = 140,475,540,401.29
  5. Step 5: Solve for x
    x = 140,475,540,401.29/428,549.84
  6. Step 6: Final answer
    x = 327,792.78

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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.