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Finding the Fourth Proportional to 335,604.06, 502,815.48 and 315,625.86

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Solution

The fourth proportional to 335,604.06, 502,815.48 and 315,625.86 is: 472,883.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,604.06 : 502,815.48 = 315,625.86 : x
  2. Step 2: Convert to fraction form
    335,604.06/502,815.48 = 315,625.86/x
  3. Step 3: Cross multiply
    335,604.06x = 502,815.48 × 315,625.86
  4. Step 4: Simplify right side
    335,604.06x = 158,701,568,296.31
  5. Step 5: Solve for x
    x = 158,701,568,296.31/335,604.06
  6. Step 6: Final answer
    x = 472,883.34

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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.