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Finding the Fourth Proportional to 423,500.63, 584,174.13 and 251,305.13

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Solution

The fourth proportional to 423,500.63, 584,174.13 and 251,305.13 is: 346,648.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,500.63 : 584,174.13 = 251,305.13 : x
  2. Step 2: Convert to fraction form
    423,500.63/584,174.13 = 251,305.13/x
  3. Step 3: Cross multiply
    423,500.63x = 584,174.13 × 251,305.13
  4. Step 4: Simplify right side
    423,500.63x = 146,805,956,200.33
  5. Step 5: Solve for x
    x = 146,805,956,200.33/423,500.63
  6. Step 6: Final answer
    x = 346,648.73

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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.