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Finding the Fourth Proportional to 571,706.70, 789,131.92 and 367,757.63

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Solution

The fourth proportional to 571,706.70, 789,131.92 and 367,757.63 is: 507,619.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,706.70 : 789,131.92 = 367,757.63 : x
  2. Step 2: Convert to fraction form
    571,706.70/789,131.92 = 367,757.63/x
  3. Step 3: Cross multiply
    571,706.70x = 789,131.92 × 367,757.63
  4. Step 4: Simplify right side
    571,706.70x = 290,209,284,656.55
  5. Step 5: Solve for x
    x = 290,209,284,656.55/571,706.70
  6. Step 6: Final answer
    x = 507,619.18

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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.