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Finding the Fourth Proportional to 504,468.69, 756,705.78 and 149,485.80

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Solution

The fourth proportional to 504,468.69, 756,705.78 and 149,485.80 is: 224,229.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,468.69 : 756,705.78 = 149,485.80 : x
  2. Step 2: Convert to fraction form
    504,468.69/756,705.78 = 149,485.80/x
  3. Step 3: Cross multiply
    504,468.69x = 756,705.78 × 149,485.80
  4. Step 4: Simplify right side
    504,468.69x = 113,116,768,887.92
  5. Step 5: Solve for x
    x = 113,116,768,887.92/504,468.69
  6. Step 6: Final answer
    x = 224,229.51

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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.