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Finding the Fourth Proportional to 574,355.31, 792,597.20 and 359,613.78

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Solution

The fourth proportional to 574,355.31, 792,597.20 and 359,613.78 is: 496,258.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,355.31 : 792,597.20 = 359,613.78 : x
  2. Step 2: Convert to fraction form
    574,355.31/792,597.20 = 359,613.78/x
  3. Step 3: Cross multiply
    574,355.31x = 792,597.20 × 359,613.78
  4. Step 4: Simplify right side
    574,355.31x = 285,028,872,361.94
  5. Step 5: Solve for x
    x = 285,028,872,361.94/574,355.31
  6. Step 6: Final answer
    x = 496,258.80

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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.