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Finding the Fourth Proportional to 546,964.20, 820,446.30 and 534,676.20

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Solution

The fourth proportional to 546,964.20, 820,446.30 and 534,676.20 is: 802,014.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,964.20 : 820,446.30 = 534,676.20 : x
  2. Step 2: Convert to fraction form
    546,964.20/820,446.30 = 534,676.20/x
  3. Step 3: Cross multiply
    546,964.20x = 820,446.30 × 534,676.20
  4. Step 4: Simplify right side
    546,964.20x = 438,673,109,988.06
  5. Step 5: Solve for x
    x = 438,673,109,988.06/546,964.20
  6. Step 6: Final answer
    x = 802,014.30

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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.