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Finding the Fourth Proportional to 491,403.33, 737,109.14 and 136,445.04

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Solution

The fourth proportional to 491,403.33, 737,109.14 and 136,445.04 is: 204,668.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,403.33 : 737,109.14 = 136,445.04 : x
  2. Step 2: Convert to fraction form
    491,403.33/737,109.14 = 136,445.04/x
  3. Step 3: Cross multiply
    491,403.33x = 737,109.14 × 136,445.04
  4. Step 4: Simplify right side
    491,403.33x = 100,574,885,409.44
  5. Step 5: Solve for x
    x = 100,574,885,409.44/491,403.33
  6. Step 6: Final answer
    x = 204,668.71

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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.