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Finding the Fourth Proportional to 576,336.80, 864,505.20 and 366,903.20

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Solution

The fourth proportional to 576,336.80, 864,505.20 and 366,903.20 is: 550,354.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,336.80 : 864,505.20 = 366,903.20 : x
  2. Step 2: Convert to fraction form
    576,336.80/864,505.20 = 366,903.20/x
  3. Step 3: Cross multiply
    576,336.80x = 864,505.20 × 366,903.20
  4. Step 4: Simplify right side
    576,336.80x = 317,189,724,296.64
  5. Step 5: Solve for x
    x = 317,189,724,296.64/576,336.80
  6. Step 6: Final answer
    x = 550,354.80

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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.