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Finding the Fourth Proportional to 482,763.65, 724,133.25 and 230,222.66

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Solution

The fourth proportional to 482,763.65, 724,133.25 and 230,222.66 is: 345,328.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,763.65 : 724,133.25 = 230,222.66 : x
  2. Step 2: Convert to fraction form
    482,763.65/724,133.25 = 230,222.66/x
  3. Step 3: Cross multiply
    482,763.65x = 724,133.25 × 230,222.66
  4. Step 4: Simplify right side
    482,763.65x = 166,711,879,388.78
  5. Step 5: Solve for x
    x = 166,711,879,388.78/482,763.65
  6. Step 6: Final answer
    x = 345,328.16

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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.