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Finding the Fourth Proportional to 538,399.00, 743,006.52 and 296,697.08

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Solution

The fourth proportional to 538,399.00, 743,006.52 and 296,697.08 is: 409,450.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,399.00 : 743,006.52 = 296,697.08 : x
  2. Step 2: Convert to fraction form
    538,399.00/743,006.52 = 296,697.08/x
  3. Step 3: Cross multiply
    538,399.00x = 743,006.52 × 296,697.08
  4. Step 4: Simplify right side
    538,399.00x = 220,447,862,583.07
  5. Step 5: Solve for x
    x = 220,447,862,583.07/538,399.00
  6. Step 6: Final answer
    x = 409,450.73

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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.