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Finding the Fourth Proportional to 511,804.63, 766,132.30 and 333,928.63

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Solution

The fourth proportional to 511,804.63, 766,132.30 and 333,928.63 is: 499,865.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,804.63 : 766,132.30 = 333,928.63 : x
  2. Step 2: Convert to fraction form
    511,804.63/766,132.30 = 333,928.63/x
  3. Step 3: Cross multiply
    511,804.63x = 766,132.30 × 333,928.63
  4. Step 4: Simplify right side
    511,804.63x = 255,833,509,337.75
  5. Step 5: Solve for x
    x = 255,833,509,337.75/511,804.63
  6. Step 6: Final answer
    x = 499,865.56

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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.