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Finding the Fourth Proportional to 296,396.50, 409,027.19 and 162,260.50

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Solution

The fourth proportional to 296,396.50, 409,027.19 and 162,260.50 is: 223,919.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,396.50 : 409,027.19 = 162,260.50 : x
  2. Step 2: Convert to fraction form
    296,396.50/409,027.19 = 162,260.50/x
  3. Step 3: Cross multiply
    296,396.50x = 409,027.19 × 162,260.50
  4. Step 4: Simplify right side
    296,396.50x = 66,368,956,363.00
  5. Step 5: Solve for x
    x = 66,368,956,363.00/296,396.50
  6. Step 6: Final answer
    x = 223,919.50

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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.