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Finding the Fourth Proportional to 296,801.89, 444,138.62 and 256,957.91

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Solution

The fourth proportional to 296,801.89, 444,138.62 and 256,957.91 is: 384,515.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,801.89 : 444,138.62 = 256,957.91 : x
  2. Step 2: Convert to fraction form
    296,801.89/444,138.62 = 256,957.91/x
  3. Step 3: Cross multiply
    296,801.89x = 444,138.62 × 256,957.91
  4. Step 4: Simplify right side
    296,801.89x = 114,124,930,260.70
  5. Step 5: Solve for x
    x = 114,124,930,260.70/296,801.89
  6. Step 6: Final answer
    x = 384,515.52

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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.