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Finding the Fourth Proportional to 609,055.86, 913,578.75 and 476,047.92

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Solution

The fourth proportional to 609,055.86, 913,578.75 and 476,047.92 is: 714,067.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,055.86 : 913,578.75 = 476,047.92 : x
  2. Step 2: Convert to fraction form
    609,055.86/913,578.75 = 476,047.92/x
  3. Step 3: Cross multiply
    609,055.86x = 913,578.75 × 476,047.92
  4. Step 4: Simplify right side
    609,055.86x = 434,907,263,693.70
  5. Step 5: Solve for x
    x = 434,907,263,693.70/609,055.86
  6. Step 6: Final answer
    x = 714,067.94

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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.