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Finding the Fourth Proportional to 511,543.35, 765,827.87 and 297,659.41

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Solution

The fourth proportional to 511,543.35, 765,827.87 and 297,659.41 is: 445,623.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,543.35 : 765,827.87 = 297,659.41 : x
  2. Step 2: Convert to fraction form
    511,543.35/765,827.87 = 297,659.41/x
  3. Step 3: Cross multiply
    511,543.35x = 765,827.87 × 297,659.41
  4. Step 4: Simplify right side
    511,543.35x = 227,955,868,542.89
  5. Step 5: Solve for x
    x = 227,955,868,542.89/511,543.35
  6. Step 6: Final answer
    x = 445,623.76

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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.