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Finding the Fourth Proportional to 384,536.60, 576,804.90 and 227,072.60

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Solution

The fourth proportional to 384,536.60, 576,804.90 and 227,072.60 is: 340,608.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,536.60 : 576,804.90 = 227,072.60 : x
  2. Step 2: Convert to fraction form
    384,536.60/576,804.90 = 227,072.60/x
  3. Step 3: Cross multiply
    384,536.60x = 576,804.90 × 227,072.60
  4. Step 4: Simplify right side
    384,536.60x = 130,976,588,335.74
  5. Step 5: Solve for x
    x = 130,976,588,335.74/384,536.60
  6. Step 6: Final answer
    x = 340,608.90

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Double scale
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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.