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Finding the Fourth Proportional to 511,620.63, 767,430.41 and 174,633.32

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Solution

The fourth proportional to 511,620.63, 767,430.41 and 174,633.32 is: 261,949.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,620.63 : 767,430.41 = 174,633.32 : x
  2. Step 2: Convert to fraction form
    511,620.63/767,430.41 = 174,633.32/x
  3. Step 3: Cross multiply
    511,620.63x = 767,430.41 × 174,633.32
  4. Step 4: Simplify right side
    511,620.63x = 134,018,915,656.94
  5. Step 5: Solve for x
    x = 134,018,915,656.94/511,620.63
  6. Step 6: Final answer
    x = 261,949.79

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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.