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Finding the Fourth Proportional to 384,989.44, 577,209.84 and 148,132.48

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Solution

The fourth proportional to 384,989.44, 577,209.84 and 148,132.48 is: 222,093.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,989.44 : 577,209.84 = 148,132.48 : x
  2. Step 2: Convert to fraction form
    384,989.44/577,209.84 = 148,132.48/x
  3. Step 3: Cross multiply
    384,989.44x = 577,209.84 × 148,132.48
  4. Step 4: Simplify right side
    384,989.44x = 85,503,525,079.60
  5. Step 5: Solve for x
    x = 85,503,525,079.60/384,989.44
  6. Step 6: Final answer
    x = 222,093.17

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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.