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Finding the Fourth Proportional to 556,638, 833,851.08 and 275,296.56

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Solution

The fourth proportional to 556,638, 833,851.08 and 275,296.56 is: 412,397.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,638 : 833,851.08 = 275,296.56 : x
  2. Step 2: Convert to fraction form
    556,638/833,851.08 = 275,296.56/x
  3. Step 3: Cross multiply
    556,638x = 833,851.08 × 275,296.56
  4. Step 4: Simplify right side
    556,638x = 229,556,333,876.29
  5. Step 5: Solve for x
    x = 229,556,333,876.29/556,638
  6. Step 6: Final answer
    x = 412,397.88

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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.