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Finding the Fourth Proportional to 433,021.29, 650,120.94 and 243,614.94

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Solution

The fourth proportional to 433,021.29, 650,120.94 and 243,614.94 is: 365,753.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,021.29 : 650,120.94 = 243,614.94 : x
  2. Step 2: Convert to fraction form
    433,021.29/650,120.94 = 243,614.94/x
  3. Step 3: Cross multiply
    433,021.29x = 650,120.94 × 243,614.94
  4. Step 4: Simplify right side
    433,021.29x = 158,379,173,790.84
  5. Step 5: Solve for x
    x = 158,379,173,790.84/433,021.29
  6. Step 6: Final answer
    x = 365,753.78

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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.