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Finding the Fourth Proportional to 504,078.39, 756,265.21 and 149,101.86

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Solution

The fourth proportional to 504,078.39, 756,265.21 and 149,101.86 is: 223,696.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,078.39 : 756,265.21 = 149,101.86 : x
  2. Step 2: Convert to fraction form
    504,078.39/756,265.21 = 149,101.86/x
  3. Step 3: Cross multiply
    504,078.39x = 756,265.21 × 149,101.86
  4. Step 4: Simplify right side
    504,078.39x = 112,760,551,927.53
  5. Step 5: Solve for x
    x = 112,760,551,927.53/504,078.39
  6. Step 6: Final answer
    x = 223,696.46

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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.