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Finding the Fourth Proportional to 493,981.98, 681,695.80 and 267,627.48

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Solution

The fourth proportional to 493,981.98, 681,695.80 and 267,627.48 is: 369,326.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,981.98 : 681,695.80 = 267,627.48 : x
  2. Step 2: Convert to fraction form
    493,981.98/681,695.80 = 267,627.48/x
  3. Step 3: Cross multiply
    493,981.98x = 681,695.80 × 267,627.48
  4. Step 4: Simplify right side
    493,981.98x = 182,440,529,080.58
  5. Step 5: Solve for x
    x = 182,440,529,080.58/493,981.98
  6. Step 6: Final answer
    x = 369,326.28

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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.