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Finding the Fourth Proportional to 564,015.20, 846,022.80 and 396,053.60

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Solution

The fourth proportional to 564,015.20, 846,022.80 and 396,053.60 is: 594,080.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,015.20 : 846,022.80 = 396,053.60 : x
  2. Step 2: Convert to fraction form
    564,015.20/846,022.80 = 396,053.60/x
  3. Step 3: Cross multiply
    564,015.20x = 846,022.80 × 396,053.60
  4. Step 4: Simplify right side
    564,015.20x = 335,070,375,622.08
  5. Step 5: Solve for x
    x = 335,070,375,622.08/564,015.20
  6. Step 6: Final answer
    x = 594,080.40

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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.