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Finding the Fourth Proportional to 361,484.61, 498,848.74 and 200,363.86

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Solution

The fourth proportional to 361,484.61, 498,848.74 and 200,363.86 is: 276,502.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,484.61 : 498,848.74 = 200,363.86 : x
  2. Step 2: Convert to fraction form
    361,484.61/498,848.74 = 200,363.86/x
  3. Step 3: Cross multiply
    361,484.61x = 498,848.74 × 200,363.86
  4. Step 4: Simplify right side
    361,484.61x = 99,951,259,102.54
  5. Step 5: Solve for x
    x = 99,951,259,102.54/361,484.61
  6. Step 6: Final answer
    x = 276,502.11

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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.