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Finding the Fourth Proportional to 609,537.20, 914,305.80 and 166,305.20

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Solution

The fourth proportional to 609,537.20, 914,305.80 and 166,305.20 is: 249,457.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,537.20 : 914,305.80 = 166,305.20 : x
  2. Step 2: Convert to fraction form
    609,537.20/914,305.80 = 166,305.20/x
  3. Step 3: Cross multiply
    609,537.20x = 914,305.80 × 166,305.20
  4. Step 4: Simplify right side
    609,537.20x = 152,053,808,930.16
  5. Step 5: Solve for x
    x = 152,053,808,930.16/609,537.20
  6. Step 6: Final answer
    x = 249,457.80

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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.