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Finding the Fourth Proportional to 700,634.42, 966,878.46 and 394,714.46

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Solution

The fourth proportional to 700,634.42, 966,878.46 and 394,714.46 is: 544,707.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,634.42 : 966,878.46 = 394,714.46 : x
  2. Step 2: Convert to fraction form
    700,634.42/966,878.46 = 394,714.46/x
  3. Step 3: Cross multiply
    700,634.42x = 966,878.46 × 394,714.46
  4. Step 4: Simplify right side
    700,634.42x = 381,640,909,224.53
  5. Step 5: Solve for x
    x = 381,640,909,224.53/700,634.42
  6. Step 6: Final answer
    x = 544,707.62

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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.