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Finding the Fourth Proportional to 296,146.40, 444,511.20 and 146,555.60

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Solution

The fourth proportional to 296,146.40, 444,511.20 and 146,555.60 is: 219,977.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,146.40 : 444,511.20 = 146,555.60 : x
  2. Step 2: Convert to fraction form
    296,146.40/444,511.20 = 146,555.60/x
  3. Step 3: Cross multiply
    296,146.40x = 444,511.20 × 146,555.60
  4. Step 4: Simplify right side
    296,146.40x = 65,145,605,622.72
  5. Step 5: Solve for x
    x = 65,145,605,622.72/296,146.40
  6. Step 6: Final answer
    x = 219,977.71

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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.