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Finding the Fourth Proportional to 609,358.20, 914,224.02 and 272,682.20

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Solution

The fourth proportional to 609,358.20, 914,224.02 and 272,682.20 is: 409,106.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,358.20 : 914,224.02 = 272,682.20 : x
  2. Step 2: Convert to fraction form
    609,358.20/914,224.02 = 272,682.20/x
  3. Step 3: Cross multiply
    609,358.20x = 914,224.02 × 272,682.20
  4. Step 4: Simplify right side
    609,358.20x = 249,292,617,066.44
  5. Step 5: Solve for x
    x = 249,292,617,066.44/609,358.20
  6. Step 6: Final answer
    x = 409,106.86

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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.