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Finding the Fourth Proportional to 902,974.98, 1,354,687.98 and 637,254.48

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Solution

The fourth proportional to 902,974.98, 1,354,687.98 and 637,254.48 is: 956,040.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,974.98 : 1,354,687.98 = 637,254.48 : x
  2. Step 2: Convert to fraction form
    902,974.98/1,354,687.98 = 637,254.48/x
  3. Step 3: Cross multiply
    902,974.98x = 1,354,687.98 × 637,254.48
  4. Step 4: Simplify right side
    902,974.98x = 863,280,984,257.15
  5. Step 5: Solve for x
    x = 863,280,984,257.15/902,974.98
  6. Step 6: Final answer
    x = 956,040.87

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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.