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Finding the Fourth Proportional to 364,049.14, 546,319.75 and 127,393.87

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Solution

The fourth proportional to 364,049.14, 546,319.75 and 127,393.87 is: 191,176.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,049.14 : 546,319.75 = 127,393.87 : x
  2. Step 2: Convert to fraction form
    364,049.14/546,319.75 = 127,393.87/x
  3. Step 3: Cross multiply
    364,049.14x = 546,319.75 × 127,393.87
  4. Step 4: Simplify right side
    364,049.14x = 69,597,787,209.93
  5. Step 5: Solve for x
    x = 69,597,787,209.93/364,049.14
  6. Step 6: Final answer
    x = 191,176.90

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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.