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Finding the Fourth Proportional to 436,367.99, 654,625.80 and 223,228.46

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Solution

The fourth proportional to 436,367.99, 654,625.80 and 223,228.46 is: 334,880.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,367.99 : 654,625.80 = 223,228.46 : x
  2. Step 2: Convert to fraction form
    436,367.99/654,625.80 = 223,228.46/x
  3. Step 3: Cross multiply
    436,367.99x = 654,625.80 × 223,228.46
  4. Step 4: Simplify right side
    436,367.99x = 146,131,109,210.27
  5. Step 5: Solve for x
    x = 146,131,109,210.27/436,367.99
  6. Step 6: Final answer
    x = 334,880.45

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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.