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Finding the Fourth Proportional to 541,274.56, 812,031.44 and 162,179.84

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Solution

The fourth proportional to 541,274.56, 812,031.44 and 162,179.84 is: 243,305.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,274.56 : 812,031.44 = 162,179.84 : x
  2. Step 2: Convert to fraction form
    541,274.56/812,031.44 = 162,179.84/x
  3. Step 3: Cross multiply
    541,274.56x = 812,031.44 × 162,179.84
  4. Step 4: Simplify right side
    541,274.56x = 131,695,129,014.17
  5. Step 5: Solve for x
    x = 131,695,129,014.17/541,274.56
  6. Step 6: Final answer
    x = 243,305.60

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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.