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Finding the Fourth Proportional to 461,335.37, 636,661.24 and 257,404.11

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Solution

The fourth proportional to 461,335.37, 636,661.24 and 257,404.11 is: 355,227.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,335.37 : 636,661.24 = 257,404.11 : x
  2. Step 2: Convert to fraction form
    461,335.37/636,661.24 = 257,404.11/x
  3. Step 3: Cross multiply
    461,335.37x = 636,661.24 × 257,404.11
  4. Step 4: Simplify right side
    461,335.37x = 163,879,215,383.37
  5. Step 5: Solve for x
    x = 163,879,215,383.37/461,335.37
  6. Step 6: Final answer
    x = 355,227.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.