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Finding the Fourth Proportional to 335,564.43, 503,346.74 and 276,275.57

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Solution

The fourth proportional to 335,564.43, 503,346.74 and 276,275.57 is: 414,413.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,564.43 : 503,346.74 = 276,275.57 : x
  2. Step 2: Convert to fraction form
    335,564.43/503,346.74 = 276,275.57/x
  3. Step 3: Cross multiply
    335,564.43x = 503,346.74 × 276,275.57
  4. Step 4: Simplify right side
    335,564.43x = 139,062,405,675.10
  5. Step 5: Solve for x
    x = 139,062,405,675.10/335,564.43
  6. Step 6: Final answer
    x = 414,413.43

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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.