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Finding the Fourth Proportional to 768,222.94, 1,060,147.84 and 424,059.07

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Solution

The fourth proportional to 768,222.94, 1,060,147.84 and 424,059.07 is: 585,201.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,222.94 : 1,060,147.84 = 424,059.07 : x
  2. Step 2: Convert to fraction form
    768,222.94/1,060,147.84 = 424,059.07/x
  3. Step 3: Cross multiply
    768,222.94x = 1,060,147.84 × 424,059.07
  4. Step 4: Simplify right side
    768,222.94x = 449,565,307,092.91
  5. Step 5: Solve for x
    x = 449,565,307,092.91/768,222.94
  6. Step 6: Final answer
    x = 585,201.62

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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.