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Finding the Fourth Proportional to 437,065.60, 655,697.04 and 133,486.96

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Solution

The fourth proportional to 437,065.60, 655,697.04 and 133,486.96 is: 200,260.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,065.60 : 655,697.04 = 133,486.96 : x
  2. Step 2: Convert to fraction form
    437,065.60/655,697.04 = 133,486.96/x
  3. Step 3: Cross multiply
    437,065.60x = 655,697.04 × 133,486.96
  4. Step 4: Simplify right side
    437,065.60x = 87,527,004,550.60
  5. Step 5: Solve for x
    x = 87,527,004,550.60/437,065.60
  6. Step 6: Final answer
    x = 200,260.57

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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.