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Finding the Fourth Proportional to 546,970.20, 819,799.20 and 280,593.60

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Solution

The fourth proportional to 546,970.20, 819,799.20 and 280,593.60 is: 420,553.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,970.20 : 819,799.20 = 280,593.60 : x
  2. Step 2: Convert to fraction form
    546,970.20/819,799.20 = 280,593.60/x
  3. Step 3: Cross multiply
    546,970.20x = 819,799.20 × 280,593.60
  4. Step 4: Simplify right side
    546,970.20x = 230,030,408,805.12
  5. Step 5: Solve for x
    x = 230,030,408,805.12/546,970.20
  6. Step 6: Final answer
    x = 420,553.82

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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.