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Finding the Fourth Proportional to 446,857.80, 670,302.90 and 131,346.60

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Solution

The fourth proportional to 446,857.80, 670,302.90 and 131,346.60 is: 197,024.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,857.80 : 670,302.90 = 131,346.60 : x
  2. Step 2: Convert to fraction form
    446,857.80/670,302.90 = 131,346.60/x
  3. Step 3: Cross multiply
    446,857.80x = 670,302.90 × 131,346.60
  4. Step 4: Simplify right side
    446,857.80x = 88,042,006,885.14
  5. Step 5: Solve for x
    x = 88,042,006,885.14/446,857.80
  6. Step 6: Final answer
    x = 197,024.66

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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.