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Finding the Fourth Proportional to 352,270.50, 486,133.32 and 201,370.74

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Solution

The fourth proportional to 352,270.50, 486,133.32 and 201,370.74 is: 277,891.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,270.50 : 486,133.32 = 201,370.74 : x
  2. Step 2: Convert to fraction form
    352,270.50/486,133.32 = 201,370.74/x
  3. Step 3: Cross multiply
    352,270.50x = 486,133.32 × 201,370.74
  4. Step 4: Simplify right side
    352,270.50x = 97,893,026,387.06
  5. Step 5: Solve for x
    x = 97,893,026,387.06/352,270.50
  6. Step 6: Final answer
    x = 277,891.64

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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.