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Finding the Fourth Proportional to 484,906.10, 669,231.52 and 293,895.14

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Solution

The fourth proportional to 484,906.10, 669,231.52 and 293,895.14 is: 405,612.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,906.10 : 669,231.52 = 293,895.14 : x
  2. Step 2: Convert to fraction form
    484,906.10/669,231.52 = 293,895.14/x
  3. Step 3: Cross multiply
    484,906.10x = 669,231.52 × 293,895.14
  4. Step 4: Simplify right side
    484,906.10x = 196,683,887,181.92
  5. Step 5: Solve for x
    x = 196,683,887,181.92/484,906.10
  6. Step 6: Final answer
    x = 405,612.32

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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.