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Finding the Fourth Proportional to 502,444.74, 693,376.56 and 273,003.84

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Solution

The fourth proportional to 502,444.74, 693,376.56 and 273,003.84 is: 376,746.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,444.74 : 693,376.56 = 273,003.84 : x
  2. Step 2: Convert to fraction form
    502,444.74/693,376.56 = 273,003.84/x
  3. Step 3: Cross multiply
    502,444.74x = 693,376.56 × 273,003.84
  4. Step 4: Simplify right side
    502,444.74x = 189,294,463,445.99
  5. Step 5: Solve for x
    x = 189,294,463,445.99/502,444.74
  6. Step 6: Final answer
    x = 376,746.83

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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.