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Finding the Fourth Proportional to 546,034.90, 819,054.28 and 166,954.21

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Solution

The fourth proportional to 546,034.90, 819,054.28 and 166,954.21 is: 250,431.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,034.90 : 819,054.28 = 166,954.21 : x
  2. Step 2: Convert to fraction form
    546,034.90/819,054.28 = 166,954.21/x
  3. Step 3: Cross multiply
    546,034.90x = 819,054.28 × 166,954.21
  4. Step 4: Simplify right side
    546,034.90x = 136,744,563,032.76
  5. Step 5: Solve for x
    x = 136,744,563,032.76/546,034.90
  6. Step 6: Final answer
    x = 250,431.91

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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.