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Finding the Fourth Proportional to 433,588.80, 650,577.60 and 196,809.60

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Solution

The fourth proportional to 433,588.80, 650,577.60 and 196,809.60 is: 295,302.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,588.80 : 650,577.60 = 196,809.60 : x
  2. Step 2: Convert to fraction form
    433,588.80/650,577.60 = 196,809.60/x
  3. Step 3: Cross multiply
    433,588.80x = 650,577.60 × 196,809.60
  4. Step 4: Simplify right side
    433,588.80x = 128,039,917,224.96
  5. Step 5: Solve for x
    x = 128,039,917,224.96/433,588.80
  6. Step 6: Final answer
    x = 295,302.64

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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.