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Finding the Fourth Proportional to 571,967.84, 789,410.04 and 317,401.04

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Solution

The fourth proportional to 571,967.84, 789,410.04 and 317,401.04 is: 438,065.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,967.84 : 789,410.04 = 317,401.04 : x
  2. Step 2: Convert to fraction form
    571,967.84/789,410.04 = 317,401.04/x
  3. Step 3: Cross multiply
    571,967.84x = 789,410.04 × 317,401.04
  4. Step 4: Simplify right side
    571,967.84x = 250,559,567,682.44
  5. Step 5: Solve for x
    x = 250,559,567,682.44/571,967.84
  6. Step 6: Final answer
    x = 438,065.83

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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.