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Finding the Fourth Proportional to 437,102.48, 655,654.44 and 121,559.60

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Solution

The fourth proportional to 437,102.48, 655,654.44 and 121,559.60 is: 182,339.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,102.48 : 655,654.44 = 121,559.60 : x
  2. Step 2: Convert to fraction form
    437,102.48/655,654.44 = 121,559.60/x
  3. Step 3: Cross multiply
    437,102.48x = 655,654.44 × 121,559.60
  4. Step 4: Simplify right side
    437,102.48x = 79,701,091,464.62
  5. Step 5: Solve for x
    x = 79,701,091,464.62/437,102.48
  6. Step 6: Final answer
    x = 182,339.60

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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.