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Finding the Fourth Proportional to 479,453.18, 661,644.06 and 264,591.71

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Solution

The fourth proportional to 479,453.18, 661,644.06 and 264,591.71 is: 365,135.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,453.18 : 661,644.06 = 264,591.71 : x
  2. Step 2: Convert to fraction form
    479,453.18/661,644.06 = 264,591.71/x
  3. Step 3: Cross multiply
    479,453.18x = 661,644.06 × 264,591.71
  4. Step 4: Simplify right side
    479,453.18x = 175,065,529,938.52
  5. Step 5: Solve for x
    x = 175,065,529,938.52/479,453.18
  6. Step 6: Final answer
    x = 365,135.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.