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Finding the Fourth Proportional to 446,875.80, 670,329.90 and 131,364.60

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Solution

The fourth proportional to 446,875.80, 670,329.90 and 131,364.60 is: 197,051.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,875.80 : 670,329.90 = 131,364.60 : x
  2. Step 2: Convert to fraction form
    446,875.80/670,329.90 = 131,364.60/x
  3. Step 3: Cross multiply
    446,875.80x = 670,329.90 × 131,364.60
  4. Step 4: Simplify right side
    446,875.80x = 88,057,619,181.54
  5. Step 5: Solve for x
    x = 88,057,619,181.54/446,875.80
  6. Step 6: Final answer
    x = 197,051.66

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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.