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Finding the Fourth Proportional to 446,806.20, 670,209.30 and 166,265.40

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Solution

The fourth proportional to 446,806.20, 670,209.30 and 166,265.40 is: 249,398.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,806.20 : 670,209.30 = 166,265.40 : x
  2. Step 2: Convert to fraction form
    446,806.20/670,209.30 = 166,265.40/x
  3. Step 3: Cross multiply
    446,806.20x = 670,209.30 × 166,265.40
  4. Step 4: Simplify right side
    446,806.20x = 111,432,617,348.22
  5. Step 5: Solve for x
    x = 111,432,617,348.22/446,806.20
  6. Step 6: Final answer
    x = 249,398.10

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Similar ratio
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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.