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Finding the Fourth Proportional to 496,961.94, 748,762.36 and 449,637.69

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Solution

The fourth proportional to 496,961.94, 748,762.36 and 449,637.69 is: 677,459.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,961.94 : 748,762.36 = 449,637.69 : x
  2. Step 2: Convert to fraction form
    496,961.94/748,762.36 = 449,637.69/x
  3. Step 3: Cross multiply
    496,961.94x = 748,762.36 × 449,637.69
  4. Step 4: Simplify right side
    496,961.94x = 336,671,777,909.35
  5. Step 5: Solve for x
    x = 336,671,777,909.35/496,961.94
  6. Step 6: Final answer
    x = 677,459.88

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.