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Finding the Fourth Proportional to 512,091.01, 768,290.27 and 242,424.67

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Solution

The fourth proportional to 512,091.01, 768,290.27 and 242,424.67 is: 363,709.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,091.01 : 768,290.27 = 242,424.67 : x
  2. Step 2: Convert to fraction form
    512,091.01/768,290.27 = 242,424.67/x
  3. Step 3: Cross multiply
    512,091.01x = 768,290.27 × 242,424.67
  4. Step 4: Simplify right side
    512,091.01x = 186,252,515,637.47
  5. Step 5: Solve for x
    x = 186,252,515,637.47/512,091.01
  6. Step 6: Final answer
    x = 363,709.79

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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.