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Finding the Fourth Proportional to 606,971.80, 910,579.20 and 180,506.80

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Solution

The fourth proportional to 606,971.80, 910,579.20 and 180,506.80 is: 270,796.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,971.80 : 910,579.20 = 180,506.80 : x
  2. Step 2: Convert to fraction form
    606,971.80/910,579.20 = 180,506.80/x
  3. Step 3: Cross multiply
    606,971.80x = 910,579.20 × 180,506.80
  4. Step 4: Simplify right side
    606,971.80x = 164,365,737,538.56
  5. Step 5: Solve for x
    x = 164,365,737,538.56/606,971.80
  6. Step 6: Final answer
    x = 270,796.33

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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.