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Finding the Fourth Proportional to 632,707.80, 949,983.30 and 446,544.60

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Solution

The fourth proportional to 632,707.80, 949,983.30 and 446,544.60 is: 670,467.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,707.80 : 949,983.30 = 446,544.60 : x
  2. Step 2: Convert to fraction form
    632,707.80/949,983.30 = 446,544.60/x
  3. Step 3: Cross multiply
    632,707.80x = 949,983.30 × 446,544.60
  4. Step 4: Simplify right side
    632,707.80x = 424,209,912,705.18
  5. Step 5: Solve for x
    x = 424,209,912,705.18/632,707.80
  6. Step 6: Final answer
    x = 670,467.34

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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.