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Finding the Fourth Proportional to 502,790.43, 693,864.50 and 273,363.15

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Solution

The fourth proportional to 502,790.43, 693,864.50 and 273,363.15 is: 377,248.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,790.43 : 693,864.50 = 273,363.15 : x
  2. Step 2: Convert to fraction form
    502,790.43/693,864.50 = 273,363.15/x
  3. Step 3: Cross multiply
    502,790.43x = 693,864.50 × 273,363.15
  4. Step 4: Simplify right side
    502,790.43x = 189,676,984,026.36
  5. Step 5: Solve for x
    x = 189,676,984,026.36/502,790.43
  6. Step 6: Final answer
    x = 377,248.60

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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.