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Finding the Fourth Proportional to 504,628.31, 757,088.57 and 149,650.87

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Solution

The fourth proportional to 504,628.31, 757,088.57 and 149,650.87 is: 224,519.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,628.31 : 757,088.57 = 149,650.87 : x
  2. Step 2: Convert to fraction form
    504,628.31/757,088.57 = 149,650.87/x
  3. Step 3: Cross multiply
    504,628.31x = 757,088.57 × 149,650.87
  4. Step 4: Simplify right side
    504,628.31x = 113,298,962,419.30
  5. Step 5: Solve for x
    x = 113,298,962,419.30/504,628.31
  6. Step 6: Final answer
    x = 224,519.63

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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.