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Finding the Fourth Proportional to 482,980.87, 724,447.92 and 183,438.07

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Solution

The fourth proportional to 482,980.87, 724,447.92 and 183,438.07 is: 275,148.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,980.87 : 724,447.92 = 183,438.07 : x
  2. Step 2: Convert to fraction form
    482,980.87/724,447.92 = 183,438.07/x
  3. Step 3: Cross multiply
    482,980.87x = 724,447.92 × 183,438.07
  4. Step 4: Simplify right side
    482,980.87x = 132,891,328,260.31
  5. Step 5: Solve for x
    x = 132,891,328,260.31/482,980.87
  6. Step 6: Final answer
    x = 275,148.22

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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.