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Finding the Fourth Proportional to 445,113.30, 667,540.35 and 245,529.30

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Solution

The fourth proportional to 445,113.30, 667,540.35 and 245,529.30 is: 368,222.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,113.30 : 667,540.35 = 245,529.30 : x
  2. Step 2: Convert to fraction form
    445,113.30/667,540.35 = 245,529.30/x
  3. Step 3: Cross multiply
    445,113.30x = 667,540.35 × 245,529.30
  4. Step 4: Simplify right side
    445,113.30x = 163,900,714,857.26
  5. Step 5: Solve for x
    x = 163,900,714,857.26/445,113.30
  6. Step 6: Final answer
    x = 368,222.46

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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.