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Finding the Fourth Proportional to 493,527.44, 681,070.08 and 267,172.88

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Solution

The fourth proportional to 493,527.44, 681,070.08 and 267,172.88 is: 368,699.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,527.44 : 681,070.08 = 267,172.88 : x
  2. Step 2: Convert to fraction form
    493,527.44/681,070.08 = 267,172.88/x
  3. Step 3: Cross multiply
    493,527.44x = 681,070.08 × 267,172.88
  4. Step 4: Simplify right side
    493,527.44x = 181,963,454,755.43
  5. Step 5: Solve for x
    x = 181,963,454,755.43/493,527.44
  6. Step 6: Final answer
    x = 368,699.77

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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.