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Finding the Fourth Proportional to 371,063.04, 512,065.94 and 201,297.21

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Solution

The fourth proportional to 371,063.04, 512,065.94 and 201,297.21 is: 277,789.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,063.04 : 512,065.94 = 201,297.21 : x
  2. Step 2: Convert to fraction form
    371,063.04/512,065.94 = 201,297.21/x
  3. Step 3: Cross multiply
    371,063.04x = 512,065.94 × 201,297.21
  4. Step 4: Simplify right side
    371,063.04x = 103,077,444,051.54
  5. Step 5: Solve for x
    x = 103,077,444,051.54/371,063.04
  6. Step 6: Final answer
    x = 277,789.57

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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.