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Finding the Fourth Proportional to 511,656.49, 767,563.62 and 174,618.28

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Solution

The fourth proportional to 511,656.49, 767,563.62 and 174,618.28 is: 261,954.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,656.49 : 767,563.62 = 174,618.28 : x
  2. Step 2: Convert to fraction form
    511,656.49/767,563.62 = 174,618.28/x
  3. Step 3: Cross multiply
    511,656.49x = 767,563.62 × 174,618.28
  4. Step 4: Simplify right side
    511,656.49x = 134,030,639,114.97
  5. Step 5: Solve for x
    x = 134,030,639,114.97/511,656.49
  6. Step 6: Final answer
    x = 261,954.34

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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.