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Finding the Fourth Proportional to 571,951.58, 788,965.25 and 356,717.97

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Solution

The fourth proportional to 571,951.58, 788,965.25 and 356,717.97 is: 492,066.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,951.58 : 788,965.25 = 356,717.97 : x
  2. Step 2: Convert to fraction form
    571,951.58/788,965.25 = 356,717.97/x
  3. Step 3: Cross multiply
    571,951.58x = 788,965.25 × 356,717.97
  4. Step 4: Simplify right side
    571,951.58x = 281,438,080,596.95
  5. Step 5: Solve for x
    x = 281,438,080,596.95/571,951.58
  6. Step 6: Final answer
    x = 492,066.27

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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.