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Finding the Fourth Proportional to 371,038.50, 512,033.40 and 201,273.30

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Solution

The fourth proportional to 371,038.50, 512,033.40 and 201,273.30 is: 277,757.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,038.50 : 512,033.40 = 201,273.30 : x
  2. Step 2: Convert to fraction form
    371,038.50/512,033.40 = 201,273.30/x
  3. Step 3: Cross multiply
    371,038.50x = 512,033.40 × 201,273.30
  4. Step 4: Simplify right side
    371,038.50x = 103,058,652,128.22
  5. Step 5: Solve for x
    x = 103,058,652,128.22/371,038.50
  6. Step 6: Final answer
    x = 277,757.30

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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.