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Finding the Fourth Proportional to 511,079.04, 765,771.07 and 310,793.58

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Solution

The fourth proportional to 511,079.04, 765,771.07 and 310,793.58 is: 465,675.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,079.04 : 765,771.07 = 310,793.58 : x
  2. Step 2: Convert to fraction form
    511,079.04/765,771.07 = 310,793.58/x
  3. Step 3: Cross multiply
    511,079.04x = 765,771.07 × 310,793.58
  4. Step 4: Simplify right side
    511,079.04x = 237,996,732,305.73
  5. Step 5: Solve for x
    x = 237,996,732,305.73/511,079.04
  6. Step 6: Final answer
    x = 465,675.00

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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.