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Finding the Fourth Proportional to 437,100.48, 655,651.44 and 121,557.60

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Solution

The fourth proportional to 437,100.48, 655,651.44 and 121,557.60 is: 182,336.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,100.48 : 655,651.44 = 121,557.60 : x
  2. Step 2: Convert to fraction form
    437,100.48/655,651.44 = 121,557.60/x
  3. Step 3: Cross multiply
    437,100.48x = 655,651.44 × 121,557.60
  4. Step 4: Simplify right side
    437,100.48x = 79,699,415,482.94
  5. Step 5: Solve for x
    x = 79,699,415,482.94/437,100.48
  6. Step 6: Final answer
    x = 182,336.60

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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.