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Finding the Fourth Proportional to 605,871.40, 908,807.10 and 185,092.60

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Solution

The fourth proportional to 605,871.40, 908,807.10 and 185,092.60 is: 277,638.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,871.40 : 908,807.10 = 185,092.60 : x
  2. Step 2: Convert to fraction form
    605,871.40/908,807.10 = 185,092.60/x
  3. Step 3: Cross multiply
    605,871.40x = 908,807.10 × 185,092.60
  4. Step 4: Simplify right side
    605,871.40x = 168,213,469,037.46
  5. Step 5: Solve for x
    x = 168,213,469,037.46/605,871.40
  6. Step 6: Final answer
    x = 277,638.90

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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.