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Finding the Fourth Proportional to 502,460.88, 693,388.08 and 276,101.52

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Solution

The fourth proportional to 502,460.88, 693,388.08 and 276,101.52 is: 381,015.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,460.88 : 693,388.08 = 276,101.52 : x
  2. Step 2: Convert to fraction form
    502,460.88/693,388.08 = 276,101.52/x
  3. Step 3: Cross multiply
    502,460.88x = 693,388.08 × 276,101.52
  4. Step 4: Simplify right side
    502,460.88x = 191,445,502,837.88
  5. Step 5: Solve for x
    x = 191,445,502,837.88/502,460.88
  6. Step 6: Final answer
    x = 381,015.74

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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.