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Finding the Fourth Proportional to 544,007.20, 816,010.80 and 170,029.60

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Solution

The fourth proportional to 544,007.20, 816,010.80 and 170,029.60 is: 255,044.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,007.20 : 816,010.80 = 170,029.60 : x
  2. Step 2: Convert to fraction form
    544,007.20/816,010.80 = 170,029.60/x
  3. Step 3: Cross multiply
    544,007.20x = 816,010.80 × 170,029.60
  4. Step 4: Simplify right side
    544,007.20x = 138,745,989,919.68
  5. Step 5: Solve for x
    x = 138,745,989,919.68/544,007.20
  6. Step 6: Final answer
    x = 255,044.40

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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.