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Finding the Fourth Proportional to 468,580.89, 702,898.57 and 131,647.81

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Solution

The fourth proportional to 468,580.89, 702,898.57 and 131,647.81 is: 197,479.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,580.89 : 702,898.57 = 131,647.81 : x
  2. Step 2: Convert to fraction form
    468,580.89/702,898.57 = 131,647.81/x
  3. Step 3: Cross multiply
    468,580.89x = 702,898.57 × 131,647.81
  4. Step 4: Simplify right side
    468,580.89x = 92,535,055,306.27
  5. Step 5: Solve for x
    x = 92,535,055,306.27/468,580.89
  6. Step 6: Final answer
    x = 197,479.36

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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.