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Finding the Fourth Proportional to 543,211.60, 814,493.40 and 333,000.40

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Solution

The fourth proportional to 543,211.60, 814,493.40 and 333,000.40 is: 499,301.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,211.60 : 814,493.40 = 333,000.40 : x
  2. Step 2: Convert to fraction form
    543,211.60/814,493.40 = 333,000.40/x
  3. Step 3: Cross multiply
    543,211.60x = 814,493.40 × 333,000.40
  4. Step 4: Simplify right side
    543,211.60x = 271,226,627,997.36
  5. Step 5: Solve for x
    x = 271,226,627,997.36/543,211.60
  6. Step 6: Final answer
    x = 499,301.98

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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.