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Finding the Fourth Proportional to 605,956.60, 908,351.70 and 470,945.80

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Solution

The fourth proportional to 605,956.60, 908,351.70 and 470,945.80 is: 705,965.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,956.60 : 908,351.70 = 470,945.80 : x
  2. Step 2: Convert to fraction form
    605,956.60/908,351.70 = 470,945.80/x
  3. Step 3: Cross multiply
    605,956.60x = 908,351.70 × 470,945.80
  4. Step 4: Simplify right side
    605,956.60x = 427,784,418,037.86
  5. Step 5: Solve for x
    x = 427,784,418,037.86/605,956.60
  6. Step 6: Final answer
    x = 705,965.44

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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.