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Finding the Fourth Proportional to 504,506.58, 756,738 and 125,419.38

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Solution

The fourth proportional to 504,506.58, 756,738 and 125,419.38 is: 188,123.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,506.58 : 756,738 = 125,419.38 : x
  2. Step 2: Convert to fraction form
    504,506.58/756,738 = 125,419.38/x
  3. Step 3: Cross multiply
    504,506.58x = 756,738 × 125,419.38
  4. Step 4: Simplify right side
    504,506.58x = 94,909,610,782.44
  5. Step 5: Solve for x
    x = 94,909,610,782.44/504,506.58
  6. Step 6: Final answer
    x = 188,123.63

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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.