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Finding the Fourth Proportional to 297,458.40, 444,891.60 and 266,095.20

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Solution

The fourth proportional to 297,458.40, 444,891.60 and 266,095.20 is: 397,983.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,458.40 : 444,891.60 = 266,095.20 : x
  2. Step 2: Convert to fraction form
    297,458.40/444,891.60 = 266,095.20/x
  3. Step 3: Cross multiply
    297,458.40x = 444,891.60 × 266,095.20
  4. Step 4: Simplify right side
    297,458.40x = 118,383,519,280.32
  5. Step 5: Solve for x
    x = 118,383,519,280.32/297,458.40
  6. Step 6: Final answer
    x = 397,983.45

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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.