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Finding the Fourth Proportional to 574,603.12, 792,951.80 and 316,481.82

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Solution

The fourth proportional to 574,603.12, 792,951.80 and 316,481.82 is: 436,744.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,603.12 : 792,951.80 = 316,481.82 : x
  2. Step 2: Convert to fraction form
    574,603.12/792,951.80 = 316,481.82/x
  3. Step 3: Cross multiply
    574,603.12x = 792,951.80 × 316,481.82
  4. Step 4: Simplify right side
    574,603.12x = 250,954,828,836.28
  5. Step 5: Solve for x
    x = 250,954,828,836.28/574,603.12
  6. Step 6: Final answer
    x = 436,744.63

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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.