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Finding the Fourth Proportional to 575,824.42, 794,635.46 and 317,717.43

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Solution

The fourth proportional to 575,824.42, 794,635.46 and 317,717.43 is: 438,448.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,824.42 : 794,635.46 = 317,717.43 : x
  2. Step 2: Convert to fraction form
    575,824.42/794,635.46 = 317,717.43/x
  3. Step 3: Cross multiply
    575,824.42x = 794,635.46 × 317,717.43
  4. Step 4: Simplify right side
    575,824.42x = 252,469,534,549.48
  5. Step 5: Solve for x
    x = 252,469,534,549.48/575,824.42
  6. Step 6: Final answer
    x = 438,448.82

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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.