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Finding the Fourth Proportional to 661,896.88, 913,388.90 and 367,528.26

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Solution

The fourth proportional to 661,896.88, 913,388.90 and 367,528.26 is: 507,173.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,896.88 : 913,388.90 = 367,528.26 : x
  2. Step 2: Convert to fraction form
    661,896.88/913,388.90 = 367,528.26/x
  3. Step 3: Cross multiply
    661,896.88x = 913,388.90 × 367,528.26
  4. Step 4: Simplify right side
    661,896.88x = 335,696,233,120.31
  5. Step 5: Solve for x
    x = 335,696,233,120.31/661,896.88
  6. Step 6: Final answer
    x = 507,173.01

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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.