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Finding the Fourth Proportional to 546,892.80, 820,339.20 and 335,846.40

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Solution

The fourth proportional to 546,892.80, 820,339.20 and 335,846.40 is: 503,769.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,892.80 : 820,339.20 = 335,846.40 : x
  2. Step 2: Convert to fraction form
    546,892.80/820,339.20 = 335,846.40/x
  3. Step 3: Cross multiply
    546,892.80x = 820,339.20 × 335,846.40
  4. Step 4: Simplify right side
    546,892.80x = 275,507,967,098.88
  5. Step 5: Solve for x
    x = 275,507,967,098.88/546,892.80
  6. Step 6: Final answer
    x = 503,769.60

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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.