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Finding the Fourth Proportional to 571,794, 789,055.48 and 317,168.88

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Solution

The fourth proportional to 571,794, 789,055.48 and 317,168.88 is: 437,681.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,794 : 789,055.48 = 317,168.88 : x
  2. Step 2: Convert to fraction form
    571,794/789,055.48 = 317,168.88/x
  3. Step 3: Cross multiply
    571,794x = 789,055.48 × 317,168.88
  4. Step 4: Simplify right side
    571,794x = 250,263,842,849.46
  5. Step 5: Solve for x
    x = 250,263,842,849.46/571,794
  6. Step 6: Final answer
    x = 437,681.83

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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.