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Finding the Fourth Proportional to 1,772,964, 2,659,446 and 443,268

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Solution

The fourth proportional to 1,772,964, 2,659,446 and 443,268 is: 664,902

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,772,964 : 2,659,446 = 443,268 : x
  2. Step 2: Convert to fraction form
    1,772,964/2,659,446 = 443,268/x
  3. Step 3: Cross multiply
    1,772,964x = 2,659,446 × 443,268
  4. Step 4: Simplify right side
    1,772,964x = 1,178,847,309,528
  5. Step 5: Solve for x
    x = 1,178,847,309,528/1,772,964
  6. Step 6: Final answer
    x = 664,902

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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.