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Finding the Fourth Proportional to 700,630.59, 966,873.18 and 394,710.64

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Solution

The fourth proportional to 700,630.59, 966,873.18 and 394,710.64 is: 544,702.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,630.59 : 966,873.18 = 394,710.64 : x
  2. Step 2: Convert to fraction form
    700,630.59/966,873.18 = 394,710.64/x
  3. Step 3: Cross multiply
    700,630.59x = 966,873.18 × 394,710.64
  4. Step 4: Simplify right side
    700,630.59x = 381,635,124,868.72
  5. Step 5: Solve for x
    x = 381,635,124,868.72/700,630.59
  6. Step 6: Final answer
    x = 544,702.34

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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.