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Finding the Fourth Proportional to 605,819.80, 908,729.70 and 601,672.60

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Solution

The fourth proportional to 605,819.80, 908,729.70 and 601,672.60 is: 902,508.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,819.80 : 908,729.70 = 601,672.60 : x
  2. Step 2: Convert to fraction form
    605,819.80/908,729.70 = 601,672.60/x
  3. Step 3: Cross multiply
    605,819.80x = 908,729.70 × 601,672.60
  4. Step 4: Simplify right side
    605,819.80x = 546,757,761,296.22
  5. Step 5: Solve for x
    x = 546,757,761,296.22/605,819.80
  6. Step 6: Final answer
    x = 902,508.90

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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.