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Finding the Fourth Proportional to 537,808.97, 807,212.44 and 271,756.32

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Solution

The fourth proportional to 537,808.97, 807,212.44 and 271,756.32 is: 407,886.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,808.97 : 807,212.44 = 271,756.32 : x
  2. Step 2: Convert to fraction form
    537,808.97/807,212.44 = 271,756.32/x
  3. Step 3: Cross multiply
    537,808.97x = 807,212.44 × 271,756.32
  4. Step 4: Simplify right side
    537,808.97x = 219,365,077,936.64
  5. Step 5: Solve for x
    x = 219,365,077,936.64/537,808.97
  6. Step 6: Final answer
    x = 407,886.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.