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Finding the Fourth Proportional to 482,807.88, 724,208.94 and 262,591.56

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Solution

The fourth proportional to 482,807.88, 724,208.94 and 262,591.56 is: 393,885.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,807.88 : 724,208.94 = 262,591.56 : x
  2. Step 2: Convert to fraction form
    482,807.88/724,208.94 = 262,591.56/x
  3. Step 3: Cross multiply
    482,807.88x = 724,208.94 × 262,591.56
  4. Step 4: Simplify right side
    482,807.88x = 190,171,155,320.55
  5. Step 5: Solve for x
    x = 190,171,155,320.55/482,807.88
  6. Step 6: Final answer
    x = 393,885.77

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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.