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Finding the Fourth Proportional to 496,600.89, 744,908.12 and 141,614.85

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Solution

The fourth proportional to 496,600.89, 744,908.12 and 141,614.85 is: 212,424.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,600.89 : 744,908.12 = 141,614.85 : x
  2. Step 2: Convert to fraction form
    496,600.89/744,908.12 = 141,614.85/x
  3. Step 3: Cross multiply
    496,600.89x = 744,908.12 × 141,614.85
  4. Step 4: Simplify right side
    496,600.89x = 105,490,050,969.51
  5. Step 5: Solve for x
    x = 105,490,050,969.51/496,600.89
  6. Step 6: Final answer
    x = 212,424.21

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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.