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Finding the Fourth Proportional to 633,033.39, 949,548.67 and 489,148.45

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Solution

The fourth proportional to 633,033.39, 949,548.67 and 489,148.45 is: 733,721.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,033.39 : 949,548.67 = 489,148.45 : x
  2. Step 2: Convert to fraction form
    633,033.39/949,548.67 = 489,148.45/x
  3. Step 3: Cross multiply
    633,033.39x = 949,548.67 × 489,148.45
  4. Step 4: Simplify right side
    633,033.39x = 464,470,257,684.32
  5. Step 5: Solve for x
    x = 464,470,257,684.32/633,033.39
  6. Step 6: Final answer
    x = 733,721.58

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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.