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Finding the Fourth Proportional to 546,079.30, 819,118.95 and 488,998.60

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Solution

The fourth proportional to 546,079.30, 819,118.95 and 488,998.60 is: 733,497.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,079.30 : 819,118.95 = 488,998.60 : x
  2. Step 2: Convert to fraction form
    546,079.30/819,118.95 = 488,998.60/x
  3. Step 3: Cross multiply
    546,079.30x = 819,118.95 × 488,998.60
  4. Step 4: Simplify right side
    546,079.30x = 400,548,019,783.47
  5. Step 5: Solve for x
    x = 400,548,019,783.47/546,079.30
  6. Step 6: Final answer
    x = 733,497.90

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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.