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Finding the Fourth Proportional to 537,665.97, 806,615.64 and 163,679.25

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Solution

The fourth proportional to 537,665.97, 806,615.64 and 163,679.25 is: 245,554.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,665.97 : 806,615.64 = 163,679.25 : x
  2. Step 2: Convert to fraction form
    537,665.97/806,615.64 = 163,679.25/x
  3. Step 3: Cross multiply
    537,665.97x = 806,615.64 × 163,679.25
  4. Step 4: Simplify right side
    537,665.97x = 132,026,242,993.47
  5. Step 5: Solve for x
    x = 132,026,242,993.47/537,665.97
  6. Step 6: Final answer
    x = 245,554.40

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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.