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Finding the Fourth Proportional to 446,346.27, 669,445.52 and 146,830.59

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Solution

The fourth proportional to 446,346.27, 669,445.52 and 146,830.59 is: 220,221.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,346.27 : 669,445.52 = 146,830.59 : x
  2. Step 2: Convert to fraction form
    446,346.27/669,445.52 = 146,830.59/x
  3. Step 3: Cross multiply
    446,346.27x = 669,445.52 × 146,830.59
  4. Step 4: Simplify right side
    446,346.27x = 98,295,079,940.30
  5. Step 5: Solve for x
    x = 98,295,079,940.30/446,346.27
  6. Step 6: Final answer
    x = 220,221.58

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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.