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Finding the Fourth Proportional to 464,335.97, 696,388.60 and 262,020.89

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Solution

The fourth proportional to 464,335.97, 696,388.60 and 262,020.89 is: 392,966.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,335.97 : 696,388.60 = 262,020.89 : x
  2. Step 2: Convert to fraction form
    464,335.97/696,388.60 = 262,020.89/x
  3. Step 3: Cross multiply
    464,335.97x = 696,388.60 × 262,020.89
  4. Step 4: Simplify right side
    464,335.97x = 182,468,356,620.86
  5. Step 5: Solve for x
    x = 182,468,356,620.86/464,335.97
  6. Step 6: Final answer
    x = 392,966.24

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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.