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Finding the Fourth Proportional to 661,893.87, 913,384.76 and 367,525.26

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Solution

The fourth proportional to 661,893.87, 913,384.76 and 367,525.26 is: 507,168.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,893.87 : 913,384.76 = 367,525.26 : x
  2. Step 2: Convert to fraction form
    661,893.87/913,384.76 = 367,525.26/x
  3. Step 3: Cross multiply
    661,893.87x = 913,384.76 × 367,525.26
  4. Step 4: Simplify right side
    661,893.87x = 335,691,969,561.41
  5. Step 5: Solve for x
    x = 335,691,969,561.41/661,893.87
  6. Step 6: Final answer
    x = 507,168.88

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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.