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Finding the Fourth Proportional to 591,625.44, 816,348.72 and 336,981.60

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Solution

The fourth proportional to 591,625.44, 816,348.72 and 336,981.60 is: 464,980.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,625.44 : 816,348.72 = 336,981.60 : x
  2. Step 2: Convert to fraction form
    591,625.44/816,348.72 = 336,981.60/x
  3. Step 3: Cross multiply
    591,625.44x = 816,348.72 × 336,981.60
  4. Step 4: Simplify right side
    591,625.44x = 275,094,497,823.55
  5. Step 5: Solve for x
    x = 275,094,497,823.55/591,625.44
  6. Step 6: Final answer
    x = 464,980.85

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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.