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Finding the Fourth Proportional to 483,551.65, 725,472.33 and 195,214.83

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Solution

The fourth proportional to 483,551.65, 725,472.33 and 195,214.83 is: 292,880.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,551.65 : 725,472.33 = 195,214.83 : x
  2. Step 2: Convert to fraction form
    483,551.65/725,472.33 = 195,214.83/x
  3. Step 3: Cross multiply
    483,551.65x = 725,472.33 × 195,214.83
  4. Step 4: Simplify right side
    483,551.65x = 141,622,957,570.65
  5. Step 5: Solve for x
    x = 141,622,957,570.65/483,551.65
  6. Step 6: Final answer
    x = 292,880.72

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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.