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Finding the Fourth Proportional to 298,880.64, 448,204.32 and 130,452.48

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Solution

The fourth proportional to 298,880.64, 448,204.32 and 130,452.48 is: 195,627.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,880.64 : 448,204.32 = 130,452.48 : x
  2. Step 2: Convert to fraction form
    298,880.64/448,204.32 = 130,452.48/x
  3. Step 3: Cross multiply
    298,880.64x = 448,204.32 × 130,452.48
  4. Step 4: Simplify right side
    298,880.64x = 58,469,365,090.71
  5. Step 5: Solve for x
    x = 58,469,365,090.71/298,880.64
  6. Step 6: Final answer
    x = 195,627.81

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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.