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Finding the Fourth Proportional to 1,772,969, 2,659,453.56 and 443,273

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Solution

The fourth proportional to 1,772,969, 2,659,453.56 and 443,273 is: 664,909.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,772,969 : 2,659,453.56 = 443,273 : x
  2. Step 2: Convert to fraction form
    1,772,969/2,659,453.56 = 443,273/x
  3. Step 3: Cross multiply
    1,772,969x = 2,659,453.56 × 443,273
  4. Step 4: Simplify right side
    1,772,969x = 1,178,863,957,901.88
  5. Step 5: Solve for x
    x = 1,178,863,957,901.88/1,772,969
  6. Step 6: Final answer
    x = 664,909.52

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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.