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Finding the Fourth Proportional to 446,569.20, 669,853.80 and 166,028.40

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Solution

The fourth proportional to 446,569.20, 669,853.80 and 166,028.40 is: 249,042.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,569.20 : 669,853.80 = 166,028.40 : x
  2. Step 2: Convert to fraction form
    446,569.20/669,853.80 = 166,028.40/x
  3. Step 3: Cross multiply
    446,569.20x = 669,853.80 × 166,028.40
  4. Step 4: Simplify right side
    446,569.20x = 111,214,754,647.92
  5. Step 5: Solve for x
    x = 111,214,754,647.92/446,569.20
  6. Step 6: Final answer
    x = 249,042.60

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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.