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Finding the Fourth Proportional to 404,503.26, 606,754.90 and 109,015.26

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Solution

The fourth proportional to 404,503.26, 606,754.90 and 109,015.26 is: 163,522.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,503.26 : 606,754.90 = 109,015.26 : x
  2. Step 2: Convert to fraction form
    404,503.26/606,754.90 = 109,015.26/x
  3. Step 3: Cross multiply
    404,503.26x = 606,754.90 × 109,015.26
  4. Step 4: Simplify right side
    404,503.26x = 66,145,543,179.77
  5. Step 5: Solve for x
    x = 66,145,543,179.77/404,503.26
  6. Step 6: Final answer
    x = 163,522.89

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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.