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Finding the Fourth Proportional to 465,848.82, 642,894.16 and 261,963.90

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Solution

The fourth proportional to 465,848.82, 642,894.16 and 261,963.90 is: 361,523.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,848.82 : 642,894.16 = 261,963.90 : x
  2. Step 2: Convert to fraction form
    465,848.82/642,894.16 = 261,963.90/x
  3. Step 3: Cross multiply
    465,848.82x = 642,894.16 × 261,963.90
  4. Step 4: Simplify right side
    465,848.82x = 168,415,061,440.82
  5. Step 5: Solve for x
    x = 168,415,061,440.82/465,848.82
  6. Step 6: Final answer
    x = 361,523.00

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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.