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Finding the Fourth Proportional to 361,394.56, 498,973.44 and 276,363.52

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Solution

The fourth proportional to 361,394.56, 498,973.44 and 276,363.52 is: 381,572.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,394.56 : 498,973.44 = 276,363.52 : x
  2. Step 2: Convert to fraction form
    361,394.56/498,973.44 = 276,363.52/x
  3. Step 3: Cross multiply
    361,394.56x = 498,973.44 × 276,363.52
  4. Step 4: Simplify right side
    361,394.56x = 137,898,056,264.91
  5. Step 5: Solve for x
    x = 137,898,056,264.91/361,394.56
  6. Step 6: Final answer
    x = 381,572.03

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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.