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Finding the Fourth Proportional to 611,880.47, 844,418.53 and 336,249.96

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Solution

The fourth proportional to 611,880.47, 844,418.53 and 336,249.96 is: 464,037.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,880.47 : 844,418.53 = 336,249.96 : x
  2. Step 2: Convert to fraction form
    611,880.47/844,418.53 = 336,249.96/x
  3. Step 3: Cross multiply
    611,880.47x = 844,418.53 × 336,249.96
  4. Step 4: Simplify right side
    611,880.47x = 283,935,696,935.76
  5. Step 5: Solve for x
    x = 283,935,696,935.76/611,880.47
  6. Step 6: Final answer
    x = 464,037.85

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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.