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Finding the Fourth Proportional to 529,699.20, 794,548.80 and 263,500.80

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Solution

The fourth proportional to 529,699.20, 794,548.80 and 263,500.80 is: 395,251.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,699.20 : 794,548.80 = 263,500.80 : x
  2. Step 2: Convert to fraction form
    529,699.20/794,548.80 = 263,500.80/x
  3. Step 3: Cross multiply
    529,699.20x = 794,548.80 × 263,500.80
  4. Step 4: Simplify right side
    529,699.20x = 209,364,244,439.04
  5. Step 5: Solve for x
    x = 209,364,244,439.04/529,699.20
  6. Step 6: Final answer
    x = 395,251.20

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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.