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Finding the Fourth Proportional to 536,007.20, 804,010.80 and 325,709.60

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Solution

The fourth proportional to 536,007.20, 804,010.80 and 325,709.60 is: 488,564.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,007.20 : 804,010.80 = 325,709.60 : x
  2. Step 2: Convert to fraction form
    536,007.20/804,010.80 = 325,709.60/x
  3. Step 3: Cross multiply
    536,007.20x = 804,010.80 × 325,709.60
  4. Step 4: Simplify right side
    536,007.20x = 261,874,036,063.68
  5. Step 5: Solve for x
    x = 261,874,036,063.68/536,007.20
  6. Step 6: Final answer
    x = 488,564.40

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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.