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Finding the Fourth Proportional to 336,703.50, 505,054.58 and 196,363.71

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Solution

The fourth proportional to 336,703.50, 505,054.58 and 196,363.71 is: 294,545.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,703.50 : 505,054.58 = 196,363.71 : x
  2. Step 2: Convert to fraction form
    336,703.50/505,054.58 = 196,363.71/x
  3. Step 3: Cross multiply
    336,703.50x = 505,054.58 × 196,363.71
  4. Step 4: Simplify right side
    336,703.50x = 99,174,390,099.47
  5. Step 5: Solve for x
    x = 99,174,390,099.47/336,703.50
  6. Step 6: Final answer
    x = 294,545.17

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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.