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Finding the Fourth Proportional to 538,749.26, 808,144.60 and 201,755.02

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Solution

The fourth proportional to 538,749.26, 808,144.60 and 201,755.02 is: 302,640.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,749.26 : 808,144.60 = 201,755.02 : x
  2. Step 2: Convert to fraction form
    538,749.26/808,144.60 = 201,755.02/x
  3. Step 3: Cross multiply
    538,749.26x = 808,144.60 × 201,755.02
  4. Step 4: Simplify right side
    538,749.26x = 163,047,229,935.89
  5. Step 5: Solve for x
    x = 163,047,229,935.89/538,749.26
  6. Step 6: Final answer
    x = 302,640.29

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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.