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Finding the Fourth Proportional to 768,229.65, 1,060,160.58 and 424,059.32

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Solution

The fourth proportional to 768,229.65, 1,060,160.58 and 424,059.32 is: 585,203.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,229.65 : 1,060,160.58 = 424,059.32 : x
  2. Step 2: Convert to fraction form
    768,229.65/1,060,160.58 = 424,059.32/x
  3. Step 3: Cross multiply
    768,229.65x = 1,060,160.58 × 424,059.32
  4. Step 4: Simplify right side
    768,229.65x = 449,570,969,344.80
  5. Step 5: Solve for x
    x = 449,570,969,344.80/768,229.65
  6. Step 6: Final answer
    x = 585,203.88

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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.