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Finding the Fourth Proportional to 441,488.76, 662,239.48 and 125,945.70

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Solution

The fourth proportional to 441,488.76, 662,239.48 and 125,945.70 is: 188,920.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,488.76 : 662,239.48 = 125,945.70 : x
  2. Step 2: Convert to fraction form
    441,488.76/662,239.48 = 125,945.70/x
  3. Step 3: Cross multiply
    441,488.76x = 662,239.48 × 125,945.70
  4. Step 4: Simplify right side
    441,488.76x = 83,406,214,876.24
  5. Step 5: Solve for x
    x = 83,406,214,876.24/441,488.76
  6. Step 6: Final answer
    x = 188,920.36

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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.