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Finding the Fourth Proportional to 502,460.98, 693,398.92 and 273,020.08

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Solution

The fourth proportional to 502,460.98, 693,398.92 and 273,020.08 is: 376,769.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,460.98 : 693,398.92 = 273,020.08 : x
  2. Step 2: Convert to fraction form
    502,460.98/693,398.92 = 273,020.08/x
  3. Step 3: Cross multiply
    502,460.98x = 693,398.92 × 273,020.08
  4. Step 4: Simplify right side
    502,460.98x = 189,311,828,610.31
  5. Step 5: Solve for x
    x = 189,311,828,610.31/502,460.98
  6. Step 6: Final answer
    x = 376,769.21

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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.