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Finding the Fourth Proportional to 284,974.83, 425,357.62 and 251,355.87

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Solution

The fourth proportional to 284,974.83, 425,357.62 and 251,355.87 is: 375,177.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,974.83 : 425,357.62 = 251,355.87 : x
  2. Step 2: Convert to fraction form
    284,974.83/425,357.62 = 251,355.87/x
  3. Step 3: Cross multiply
    284,974.83x = 425,357.62 × 251,355.87
  4. Step 4: Simplify right side
    284,974.83x = 106,916,134,007.84
  5. Step 5: Solve for x
    x = 106,916,134,007.84/284,974.83
  6. Step 6: Final answer
    x = 375,177.46

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.