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Finding the Fourth Proportional to 699,841, 1,049,917.02 and 256,609

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Solution

The fourth proportional to 699,841, 1,049,917.02 and 256,609 is: 384,970.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,841 : 1,049,917.02 = 256,609 : x
  2. Step 2: Convert to fraction form
    699,841/1,049,917.02 = 256,609/x
  3. Step 3: Cross multiply
    699,841x = 1,049,917.02 × 256,609
  4. Step 4: Simplify right side
    699,841x = 269,418,156,585.18
  5. Step 5: Solve for x
    x = 269,418,156,585.18/699,841
  6. Step 6: Final answer
    x = 384,970.52

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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.