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Finding the Fourth Proportional to 544,435.97, 814,742.55 and 447,241.93

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Solution

The fourth proportional to 544,435.97, 814,742.55 and 447,241.93 is: 669,292.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,435.97 : 814,742.55 = 447,241.93 : x
  2. Step 2: Convert to fraction form
    544,435.97/814,742.55 = 447,241.93/x
  3. Step 3: Cross multiply
    544,435.97x = 814,742.55 × 447,241.93
  4. Step 4: Simplify right side
    544,435.97x = 364,387,030,769.73
  5. Step 5: Solve for x
    x = 364,387,030,769.73/544,435.97
  6. Step 6: Final answer
    x = 669,292.72

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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.