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Finding the Fourth Proportional to 501,819.01, 692,195.28 and 297,725.47

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Solution

The fourth proportional to 501,819.01, 692,195.28 and 297,725.47 is: 410,674.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,819.01 : 692,195.28 = 297,725.47 : x
  2. Step 2: Convert to fraction form
    501,819.01/692,195.28 = 297,725.47/x
  3. Step 3: Cross multiply
    501,819.01x = 692,195.28 × 297,725.47
  4. Step 4: Simplify right side
    501,819.01x = 206,084,165,069.78
  5. Step 5: Solve for x
    x = 206,084,165,069.78/501,819.01
  6. Step 6: Final answer
    x = 410,674.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.