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Finding the Fourth Proportional to 482,980.37, 724,447.17 and 183,437.57

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Solution

The fourth proportional to 482,980.37, 724,447.17 and 183,437.57 is: 275,147.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,980.37 : 724,447.17 = 183,437.57 : x
  2. Step 2: Convert to fraction form
    482,980.37/724,447.17 = 183,437.57/x
  3. Step 3: Cross multiply
    482,980.37x = 724,447.17 × 183,437.57
  4. Step 4: Simplify right side
    482,980.37x = 132,890,828,458.18
  5. Step 5: Solve for x
    x = 132,890,828,458.18/482,980.37
  6. Step 6: Final answer
    x = 275,147.47

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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.