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Finding the Fourth Proportional to 363,136.58, 501,093.30 and 210,144.38

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Solution

The fourth proportional to 363,136.58, 501,093.30 and 210,144.38 is: 289,978.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,136.58 : 501,093.30 = 210,144.38 : x
  2. Step 2: Convert to fraction form
    363,136.58/501,093.30 = 210,144.38/x
  3. Step 3: Cross multiply
    363,136.58x = 501,093.30 × 210,144.38
  4. Step 4: Simplify right side
    363,136.58x = 105,301,940,850.65
  5. Step 5: Solve for x
    x = 105,301,940,850.65/363,136.58
  6. Step 6: Final answer
    x = 289,978.89

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1.5x scale

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.