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Finding the Fourth Proportional to 902,975.98, 1,354,689.48 and 637,255.48

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Solution

The fourth proportional to 902,975.98, 1,354,689.48 and 637,255.48 is: 956,042.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,975.98 : 1,354,689.48 = 637,255.48 : x
  2. Step 2: Convert to fraction form
    902,975.98/1,354,689.48 = 637,255.48/x
  3. Step 3: Cross multiply
    902,975.98x = 1,354,689.48 × 637,255.48
  4. Step 4: Simplify right side
    902,975.98x = 863,283,294,828.35
  5. Step 5: Solve for x
    x = 863,283,294,828.35/902,975.98
  6. Step 6: Final answer
    x = 956,042.37

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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.