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Finding the Fourth Proportional to 535,620.16, 739,131.08 and 293,896.72

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Solution

The fourth proportional to 535,620.16, 739,131.08 and 293,896.72 is: 405,563.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,620.16 : 739,131.08 = 293,896.72 : x
  2. Step 2: Convert to fraction form
    535,620.16/739,131.08 = 293,896.72/x
  3. Step 3: Cross multiply
    535,620.16x = 739,131.08 × 293,896.72
  4. Step 4: Simplify right side
    535,620.16x = 217,228,200,062.06
  5. Step 5: Solve for x
    x = 217,228,200,062.06/535,620.16
  6. Step 6: Final answer
    x = 405,563.90

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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.