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Finding the Fourth Proportional to 496,591.24, 744,890.64 and 141,604.96

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Solution

The fourth proportional to 496,591.24, 744,890.64 and 141,604.96 is: 212,408.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,591.24 : 744,890.64 = 141,604.96 : x
  2. Step 2: Convert to fraction form
    496,591.24/744,890.64 = 141,604.96/x
  3. Step 3: Cross multiply
    496,591.24x = 744,890.64 × 141,604.96
  4. Step 4: Simplify right side
    496,591.24x = 105,480,209,281.57
  5. Step 5: Solve for x
    x = 105,480,209,281.57/496,591.24
  6. Step 6: Final answer
    x = 212,408.52

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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.