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Finding the Fourth Proportional to 768,230.15, 1,060,161.27 and 424,059.82

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Solution

The fourth proportional to 768,230.15, 1,060,161.27 and 424,059.82 is: 585,204.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,230.15 : 1,060,161.27 = 424,059.82 : x
  2. Step 2: Convert to fraction form
    768,230.15/1,060,161.27 = 424,059.82/x
  3. Step 3: Cross multiply
    768,230.15x = 1,060,161.27 × 424,059.82
  4. Step 4: Simplify right side
    768,230.15x = 449,571,797,327.17
  5. Step 5: Solve for x
    x = 449,571,797,327.17/768,230.15
  6. Step 6: Final answer
    x = 585,204.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.