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Finding the Fourth Proportional to 542,481.55, 812,126.04 and 362,119.60

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Solution

The fourth proportional to 542,481.55, 812,126.04 and 362,119.60 is: 542,113.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,481.55 : 812,126.04 = 362,119.60 : x
  2. Step 2: Convert to fraction form
    542,481.55/812,126.04 = 362,119.60/x
  3. Step 3: Cross multiply
    542,481.55x = 812,126.04 × 362,119.60
  4. Step 4: Simplify right side
    542,481.55x = 294,086,756,754.38
  5. Step 5: Solve for x
    x = 294,086,756,754.38/542,481.55
  6. Step 6: Final answer
    x = 542,113.84

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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.