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Finding the Fourth Proportional to 336,861.90, 505,024.56 and 194,545.26

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Solution

The fourth proportional to 336,861.90, 505,024.56 and 194,545.26 is: 291,662.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,861.90 : 505,024.56 = 194,545.26 : x
  2. Step 2: Convert to fraction form
    336,861.90/505,024.56 = 194,545.26/x
  3. Step 3: Cross multiply
    336,861.90x = 505,024.56 × 194,545.26
  4. Step 4: Simplify right side
    336,861.90x = 98,250,134,331.59
  5. Step 5: Solve for x
    x = 98,250,134,331.59/336,861.90
  6. Step 6: Final answer
    x = 291,662.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.