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Finding the Fourth Proportional to 632,447.04, 948,009.60 and 277,161.60

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Solution

The fourth proportional to 632,447.04, 948,009.60 and 277,161.60 is: 415,452.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,447.04 : 948,009.60 = 277,161.60 : x
  2. Step 2: Convert to fraction form
    632,447.04/948,009.60 = 277,161.60/x
  3. Step 3: Cross multiply
    632,447.04x = 948,009.60 × 277,161.60
  4. Step 4: Simplify right side
    632,447.04x = 262,751,857,551.36
  5. Step 5: Solve for x
    x = 262,751,857,551.36/632,447.04
  6. Step 6: Final answer
    x = 415,452.74

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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.