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Finding the Fourth Proportional to 436,572.06, 654,858.36 and 196,405.44

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Solution

The fourth proportional to 436,572.06, 654,858.36 and 196,405.44 is: 294,608.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,572.06 : 654,858.36 = 196,405.44 : x
  2. Step 2: Convert to fraction form
    436,572.06/654,858.36 = 196,405.44/x
  3. Step 3: Cross multiply
    436,572.06x = 654,858.36 × 196,405.44
  4. Step 4: Simplify right side
    436,572.06x = 128,617,744,333.48
  5. Step 5: Solve for x
    x = 128,617,744,333.48/436,572.06
  6. Step 6: Final answer
    x = 294,608.28

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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.