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Finding the Fourth Proportional to 446,520.30, 669,780.45 and 151,032.30

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Solution

The fourth proportional to 446,520.30, 669,780.45 and 151,032.30 is: 226,548.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,520.30 : 669,780.45 = 151,032.30 : x
  2. Step 2: Convert to fraction form
    446,520.30/669,780.45 = 151,032.30/x
  3. Step 3: Cross multiply
    446,520.30x = 669,780.45 × 151,032.30
  4. Step 4: Simplify right side
    446,520.30x = 101,158,481,858.54
  5. Step 5: Solve for x
    x = 101,158,481,858.54/446,520.30
  6. Step 6: Final answer
    x = 226,548.45

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Similar ratio
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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.