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Finding the Fourth Proportional to 423,818.87, 584,610.62 and 251,620.02

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Solution

The fourth proportional to 423,818.87, 584,610.62 and 251,620.02 is: 347,081.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,818.87 : 584,610.62 = 251,620.02 : x
  2. Step 2: Convert to fraction form
    423,818.87/584,610.62 = 251,620.02/x
  3. Step 3: Cross multiply
    423,818.87x = 584,610.62 × 251,620.02
  4. Step 4: Simplify right side
    423,818.87x = 147,099,734,638.51
  5. Step 5: Solve for x
    x = 147,099,734,638.51/423,818.87
  6. Step 6: Final answer
    x = 347,081.61

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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.