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Finding the Fourth Proportional to 622,874.54, 859,566.64 and 336,394.68

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Solution

The fourth proportional to 622,874.54, 859,566.64 and 336,394.68 is: 464,224.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,874.54 : 859,566.64 = 336,394.68 : x
  2. Step 2: Convert to fraction form
    622,874.54/859,566.64 = 336,394.68/x
  3. Step 3: Cross multiply
    622,874.54x = 859,566.64 × 336,394.68
  4. Step 4: Simplify right side
    622,874.54x = 289,153,644,801.48
  5. Step 5: Solve for x
    x = 289,153,644,801.48/622,874.54
  6. Step 6: Final answer
    x = 464,224.54

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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.