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Finding the Fourth Proportional to 303,606.10, 455,020.35 and 233,136.10

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Solution

The fourth proportional to 303,606.10, 455,020.35 and 233,136.10 is: 349,405.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,606.10 : 455,020.35 = 233,136.10 : x
  2. Step 2: Convert to fraction form
    303,606.10/455,020.35 = 233,136.10/x
  3. Step 3: Cross multiply
    303,606.10x = 455,020.35 × 233,136.10
  4. Step 4: Simplify right side
    303,606.10x = 106,081,669,819.64
  5. Step 5: Solve for x
    x = 106,081,669,819.64/303,606.10
  6. Step 6: Final answer
    x = 349,405.59

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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.