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Finding the Fourth Proportional to 384,629.76, 577,242.24 and 251,473.92

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Solution

The fourth proportional to 384,629.76, 577,242.24 and 251,473.92 is: 377,405.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,629.76 : 577,242.24 = 251,473.92 : x
  2. Step 2: Convert to fraction form
    384,629.76/577,242.24 = 251,473.92/x
  3. Step 3: Cross multiply
    384,629.76x = 577,242.24 × 251,473.92
  4. Step 4: Simplify right side
    384,629.76x = 145,161,368,882.38
  5. Step 5: Solve for x
    x = 145,161,368,882.38/384,629.76
  6. Step 6: Final answer
    x = 377,405.45

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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.