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Finding the Fourth Proportional to 364,030.82, 546,292.22 and 127,375.55

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Solution

The fourth proportional to 364,030.82, 546,292.22 and 127,375.55 is: 191,149.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,030.82 : 546,292.22 = 127,375.55 : x
  2. Step 2: Convert to fraction form
    364,030.82/546,292.22 = 127,375.55/x
  3. Step 3: Cross multiply
    364,030.82x = 546,292.22 × 127,375.55
  4. Step 4: Simplify right side
    364,030.82x = 69,584,268,614.88
  5. Step 5: Solve for x
    x = 69,584,268,614.88/364,030.82
  6. Step 6: Final answer
    x = 191,149.39

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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.