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Finding the Fourth Proportional to 589,718.90, 883,266.15 and 510,986.90

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Solution

The fourth proportional to 589,718.90, 883,266.15 and 510,986.90 is: 765,343.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,718.90 : 883,266.15 = 510,986.90 : x
  2. Step 2: Convert to fraction form
    589,718.90/883,266.15 = 510,986.90/x
  3. Step 3: Cross multiply
    589,718.90x = 883,266.15 × 510,986.90
  4. Step 4: Simplify right side
    589,718.90x = 451,337,431,863.44
  5. Step 5: Solve for x
    x = 451,337,431,863.44/589,718.90
  6. Step 6: Final answer
    x = 765,343.34

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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.