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Finding the Fourth Proportional to 534,989.80, 801,318.30 and 441,677.80

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Solution

The fourth proportional to 534,989.80, 801,318.30 and 441,677.80 is: 661,553.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,989.80 : 801,318.30 = 441,677.80 : x
  2. Step 2: Convert to fraction form
    534,989.80/801,318.30 = 441,677.80/x
  3. Step 3: Cross multiply
    534,989.80x = 801,318.30 × 441,677.80
  4. Step 4: Simplify right side
    534,989.80x = 353,924,503,843.74
  5. Step 5: Solve for x
    x = 353,924,503,843.74/534,989.80
  6. Step 6: Final answer
    x = 661,553.74

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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.