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Finding the Fourth Proportional to 251,046.72, 346,299.84 and 150,386.40

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Solution

The fourth proportional to 251,046.72, 346,299.84 and 150,386.40 is: 207,446.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,046.72 : 346,299.84 = 150,386.40 : x
  2. Step 2: Convert to fraction form
    251,046.72/346,299.84 = 150,386.40/x
  3. Step 3: Cross multiply
    251,046.72x = 346,299.84 × 150,386.40
  4. Step 4: Simplify right side
    251,046.72x = 52,078,786,258.18
  5. Step 5: Solve for x
    x = 52,078,786,258.18/251,046.72
  6. Step 6: Final answer
    x = 207,446.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.