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Finding the Fourth Proportional to 371,063.70, 512,068.88 and 201,297.83

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Solution

The fourth proportional to 371,063.70, 512,068.88 and 201,297.83 is: 277,791.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,063.70 : 512,068.88 = 201,297.83 : x
  2. Step 2: Convert to fraction form
    371,063.70/512,068.88 = 201,297.83/x
  3. Step 3: Cross multiply
    371,063.70x = 512,068.88 × 201,297.83
  4. Step 4: Simplify right side
    371,063.70x = 103,078,352,297.43
  5. Step 5: Solve for x
    x = 103,078,352,297.43/371,063.70
  6. Step 6: Final answer
    x = 277,791.53

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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.