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Finding the Fourth Proportional to 446,888.46, 670,190.24 and 147,313.20

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Solution

The fourth proportional to 446,888.46, 670,190.24 and 147,313.20 is: 220,922.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,888.46 : 670,190.24 = 147,313.20 : x
  2. Step 2: Convert to fraction form
    446,888.46/670,190.24 = 147,313.20/x
  3. Step 3: Cross multiply
    446,888.46x = 670,190.24 × 147,313.20
  4. Step 4: Simplify right side
    446,888.46x = 98,727,868,863.17
  5. Step 5: Solve for x
    x = 98,727,868,863.17/446,888.46
  6. Step 6: Final answer
    x = 220,922.84

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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.