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Finding the Fourth Proportional to 296,446.40, 444,961.20 and 146,855.60

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Solution

The fourth proportional to 296,446.40, 444,961.20 and 146,855.60 is: 220,427.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,446.40 : 444,961.20 = 146,855.60 : x
  2. Step 2: Convert to fraction form
    296,446.40/444,961.20 = 146,855.60/x
  3. Step 3: Cross multiply
    296,446.40x = 444,961.20 × 146,855.60
  4. Step 4: Simplify right side
    296,446.40x = 65,345,044,002.72
  5. Step 5: Solve for x
    x = 65,345,044,002.72/296,446.40
  6. Step 6: Final answer
    x = 220,427.85

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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.