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Finding the Fourth Proportional to 502,866.12, 693,955.25 and 276,511.62

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Solution

The fourth proportional to 502,866.12, 693,955.25 and 276,511.62 is: 381,586.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,866.12 : 693,955.25 = 276,511.62 : x
  2. Step 2: Convert to fraction form
    502,866.12/693,955.25 = 276,511.62/x
  3. Step 3: Cross multiply
    502,866.12x = 693,955.25 × 276,511.62
  4. Step 4: Simplify right side
    502,866.12x = 191,886,690,385.01
  5. Step 5: Solve for x
    x = 191,886,690,385.01/502,866.12
  6. Step 6: Final answer
    x = 381,586.04

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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.