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Finding the Fourth Proportional to 472,456.80, 708,685.20 and 462,615.30

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Solution

The fourth proportional to 472,456.80, 708,685.20 and 462,615.30 is: 693,922.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,456.80 : 708,685.20 = 462,615.30 : x
  2. Step 2: Convert to fraction form
    472,456.80/708,685.20 = 462,615.30/x
  3. Step 3: Cross multiply
    472,456.80x = 708,685.20 × 462,615.30
  4. Step 4: Simplify right side
    472,456.80x = 327,848,616,403.56
  5. Step 5: Solve for x
    x = 327,848,616,403.56/472,456.80
  6. Step 6: Final answer
    x = 693,922.95

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Similar ratio
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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.