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Finding the Fourth Proportional to 632,706.80, 949,981.80 and 446,543.60

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Solution

The fourth proportional to 632,706.80, 949,981.80 and 446,543.60 is: 670,465.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,706.80 : 949,981.80 = 446,543.60 : x
  2. Step 2: Convert to fraction form
    632,706.80/949,981.80 = 446,543.60/x
  3. Step 3: Cross multiply
    632,706.80x = 949,981.80 × 446,543.60
  4. Step 4: Simplify right side
    632,706.80x = 424,208,292,906.48
  5. Step 5: Solve for x
    x = 424,208,292,906.48/632,706.80
  6. Step 6: Final answer
    x = 670,465.83

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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.