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Finding the Fourth Proportional to 546,466.40, 819,699.60 and 396,000.80

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Solution

The fourth proportional to 546,466.40, 819,699.60 and 396,000.80 is: 594,001.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,466.40 : 819,699.60 = 396,000.80 : x
  2. Step 2: Convert to fraction form
    546,466.40/819,699.60 = 396,000.80/x
  3. Step 3: Cross multiply
    546,466.40x = 819,699.60 × 396,000.80
  4. Step 4: Simplify right side
    546,466.40x = 324,601,697,359.68
  5. Step 5: Solve for x
    x = 324,601,697,359.68/546,466.40
  6. Step 6: Final answer
    x = 594,001.20

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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.