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Finding the Fourth Proportional to 482,825.87, 724,266.49 and 127,830.67

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Solution

The fourth proportional to 482,825.87, 724,266.49 and 127,830.67 is: 191,753.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,825.87 : 724,266.49 = 127,830.67 : x
  2. Step 2: Convert to fraction form
    482,825.87/724,266.49 = 127,830.67/x
  3. Step 3: Cross multiply
    482,825.87x = 724,266.49 × 127,830.67
  4. Step 4: Simplify right side
    482,825.87x = 92,583,468,225.43
  5. Step 5: Solve for x
    x = 92,583,468,225.43/482,825.87
  6. Step 6: Final answer
    x = 191,753.33

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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.