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Finding the Fourth Proportional to 433,638.96, 650,296.80 and 149,250.12

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Solution

The fourth proportional to 433,638.96, 650,296.80 and 149,250.12 is: 223,819.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,638.96 : 650,296.80 = 149,250.12 : x
  2. Step 2: Convert to fraction form
    433,638.96/650,296.80 = 149,250.12/x
  3. Step 3: Cross multiply
    433,638.96x = 650,296.80 × 149,250.12
  4. Step 4: Simplify right side
    433,638.96x = 97,056,875,435.62
  5. Step 5: Solve for x
    x = 97,056,875,435.62/433,638.96
  6. Step 6: Final answer
    x = 223,819.55

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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.