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Finding the Fourth Proportional to 496,756.66, 744,685.09 and 345,025.39

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Solution

The fourth proportional to 496,756.66, 744,685.09 and 345,025.39 is: 517,225.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,756.66 : 744,685.09 = 345,025.39 : x
  2. Step 2: Convert to fraction form
    496,756.66/744,685.09 = 345,025.39/x
  3. Step 3: Cross multiply
    496,756.66x = 744,685.09 × 345,025.39
  4. Step 4: Simplify right side
    496,756.66x = 256,935,258,155.88
  5. Step 5: Solve for x
    x = 256,935,258,155.88/496,756.66
  6. Step 6: Final answer
    x = 517,225.59

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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.