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Finding the Fourth Proportional to 526,162.73, 788,998.73 and 273,375.26

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Solution

The fourth proportional to 526,162.73, 788,998.73 and 273,375.26 is: 409,935.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,162.73 : 788,998.73 = 273,375.26 : x
  2. Step 2: Convert to fraction form
    526,162.73/788,998.73 = 273,375.26/x
  3. Step 3: Cross multiply
    526,162.73x = 788,998.73 × 273,375.26
  4. Step 4: Simplify right side
    526,162.73x = 215,692,727,641.55
  5. Step 5: Solve for x
    x = 215,692,727,641.55/526,162.73
  6. Step 6: Final answer
    x = 409,935.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.