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Finding the Fourth Proportional to 605,844.60, 908,810.10 and 185,119.80

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Solution

The fourth proportional to 605,844.60, 908,810.10 and 185,119.80 is: 277,692.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,844.60 : 908,810.10 = 185,119.80 : x
  2. Step 2: Convert to fraction form
    605,844.60/908,810.10 = 185,119.80/x
  3. Step 3: Cross multiply
    605,844.60x = 908,810.10 × 185,119.80
  4. Step 4: Simplify right side
    605,844.60x = 168,238,743,949.98
  5. Step 5: Solve for x
    x = 168,238,743,949.98/605,844.60
  6. Step 6: Final answer
    x = 277,692.90

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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.