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Finding the Fourth Proportional to 496,353.36, 744,247.56 and 338,772.72

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Solution

The fourth proportional to 496,353.36, 744,247.56 and 338,772.72 is: 507,966.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,353.36 : 744,247.56 = 338,772.72 : x
  2. Step 2: Convert to fraction form
    496,353.36/744,247.56 = 338,772.72/x
  3. Step 3: Cross multiply
    496,353.36x = 744,247.56 × 338,772.72
  4. Step 4: Simplify right side
    496,353.36x = 252,130,770,254.56
  5. Step 5: Solve for x
    x = 252,130,770,254.56/496,353.36
  6. Step 6: Final answer
    x = 507,966.28

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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.