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Finding the Fourth Proportional to 504,505.58, 756,736.50 and 125,418.38

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Solution

The fourth proportional to 504,505.58, 756,736.50 and 125,418.38 is: 188,122.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,505.58 : 756,736.50 = 125,418.38 : x
  2. Step 2: Convert to fraction form
    504,505.58/756,736.50 = 125,418.38/x
  3. Step 3: Cross multiply
    504,505.58x = 756,736.50 × 125,418.38
  4. Step 4: Simplify right side
    504,505.58x = 94,908,665,916.87
  5. Step 5: Solve for x
    x = 94,908,665,916.87/504,505.58
  6. Step 6: Final answer
    x = 188,122.13

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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.