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Finding the Fourth Proportional to 404,429.70, 606,644.55 and 374,016.90

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Solution

The fourth proportional to 404,429.70, 606,644.55 and 374,016.90 is: 561,025.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,429.70 : 606,644.55 = 374,016.90 : x
  2. Step 2: Convert to fraction form
    404,429.70/606,644.55 = 374,016.90/x
  3. Step 3: Cross multiply
    404,429.70x = 606,644.55 × 374,016.90
  4. Step 4: Simplify right side
    404,429.70x = 226,895,313,992.90
  5. Step 5: Solve for x
    x = 226,895,313,992.90/404,429.70
  6. Step 6: Final answer
    x = 561,025.35

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Similar ratio
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1.5x scale

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.