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Finding the Fourth Proportional to 550,332.90, 825,581.36 and 195,317.19

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Solution

The fourth proportional to 550,332.90, 825,581.36 and 195,317.19 is: 293,004.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,332.90 : 825,581.36 = 195,317.19 : x
  2. Step 2: Convert to fraction form
    550,332.90/825,581.36 = 195,317.19/x
  3. Step 3: Cross multiply
    550,332.90x = 825,581.36 × 195,317.19
  4. Step 4: Simplify right side
    550,332.90x = 161,250,231,839.87
  5. Step 5: Solve for x
    x = 161,250,231,839.87/550,332.90
  6. Step 6: Final answer
    x = 293,004.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.