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Finding the Fourth Proportional to 363,132.30, 501,136.83 and 219,811.26

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Solution

The fourth proportional to 363,132.30, 501,136.83 and 219,811.26 is: 303,348.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,132.30 : 501,136.83 = 219,811.26 : x
  2. Step 2: Convert to fraction form
    363,132.30/501,136.83 = 219,811.26/x
  3. Step 3: Cross multiply
    363,132.30x = 501,136.83 × 219,811.26
  4. Step 4: Simplify right side
    363,132.30x = 110,155,518,034.71
  5. Step 5: Solve for x
    x = 110,155,518,034.71/363,132.30
  6. Step 6: Final answer
    x = 303,348.17

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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.