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Finding the Fourth Proportional to 865,046.41, 1,193,797.83 and 477,881.80

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Solution

The fourth proportional to 865,046.41, 1,193,797.83 and 477,881.80 is: 659,495.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,046.41 : 1,193,797.83 = 477,881.80 : x
  2. Step 2: Convert to fraction form
    865,046.41/1,193,797.83 = 477,881.80/x
  3. Step 3: Cross multiply
    865,046.41x = 1,193,797.83 × 477,881.80
  4. Step 4: Simplify right side
    865,046.41x = 570,494,255,836.49
  5. Step 5: Solve for x
    x = 570,494,255,836.49/865,046.41
  6. Step 6: Final answer
    x = 659,495.55

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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.