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Finding the Fourth Proportional to 571,799, 788,566.02 and 356,958.92

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Solution

The fourth proportional to 571,799, 788,566.02 and 356,958.92 is: 492,280.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,799 : 788,566.02 = 356,958.92 : x
  2. Step 2: Convert to fraction form
    571,799/788,566.02 = 356,958.92/x
  3. Step 3: Cross multiply
    571,799x = 788,566.02 × 356,958.92
  4. Step 4: Simplify right side
    571,799x = 281,485,674,847.90
  5. Step 5: Solve for x
    x = 281,485,674,847.90/571,799
  6. Step 6: Final answer
    x = 492,280.81

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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.