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Finding the Fourth Proportional to 441,398.36, 662,103.65 and 125,855.24

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Solution

The fourth proportional to 441,398.36, 662,103.65 and 125,855.24 is: 188,784.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,398.36 : 662,103.65 = 125,855.24 : x
  2. Step 2: Convert to fraction form
    441,398.36/662,103.65 = 125,855.24/x
  3. Step 3: Cross multiply
    441,398.36x = 662,103.65 × 125,855.24
  4. Step 4: Simplify right side
    441,398.36x = 83,329,210,779.75
  5. Step 5: Solve for x
    x = 83,329,210,779.75/441,398.36
  6. Step 6: Final answer
    x = 188,784.59

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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.