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Finding the Fourth Proportional to 536,999.88, 741,039.90 and 295,268.06

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Solution

The fourth proportional to 536,999.88, 741,039.90 and 295,268.06 is: 407,458.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,999.88 : 741,039.90 = 295,268.06 : x
  2. Step 2: Convert to fraction form
    536,999.88/741,039.90 = 295,268.06/x
  3. Step 3: Cross multiply
    536,999.88x = 741,039.90 × 295,268.06
  4. Step 4: Simplify right side
    536,999.88x = 218,805,413,655.59
  5. Step 5: Solve for x
    x = 218,805,413,655.59/536,999.88
  6. Step 6: Final answer
    x = 407,458.96

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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.