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Finding the Fourth Proportional to 365,940.40, 548,910.60 and 306,891.40

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Solution

The fourth proportional to 365,940.40, 548,910.60 and 306,891.40 is: 460,337.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,940.40 : 548,910.60 = 306,891.40 : x
  2. Step 2: Convert to fraction form
    365,940.40/548,910.60 = 306,891.40/x
  3. Step 3: Cross multiply
    365,940.40x = 548,910.60 × 306,891.40
  4. Step 4: Simplify right side
    365,940.40x = 168,455,942,508.84
  5. Step 5: Solve for x
    x = 168,455,942,508.84/365,940.40
  6. Step 6: Final answer
    x = 460,337.10

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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.