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Finding the Fourth Proportional to 428,584.68, 591,384.72 and 237,598.08

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Solution

The fourth proportional to 428,584.68, 591,384.72 and 237,598.08 is: 327,850.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,584.68 : 591,384.72 = 237,598.08 : x
  2. Step 2: Convert to fraction form
    428,584.68/591,384.72 = 237,598.08/x
  3. Step 3: Cross multiply
    428,584.68x = 591,384.72 × 237,598.08
  4. Step 4: Simplify right side
    428,584.68x = 140,511,874,013.34
  5. Step 5: Solve for x
    x = 140,511,874,013.34/428,584.68
  6. Step 6: Final answer
    x = 327,850.90

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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.