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Finding the Fourth Proportional to 283,696.84, 425,013.90 and 254,485

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Solution

The fourth proportional to 283,696.84, 425,013.90 and 254,485 is: 381,250.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,696.84 : 425,013.90 = 254,485 : x
  2. Step 2: Convert to fraction form
    283,696.84/425,013.90 = 254,485/x
  3. Step 3: Cross multiply
    283,696.84x = 425,013.90 × 254,485
  4. Step 4: Simplify right side
    283,696.84x = 108,159,662,341.50
  5. Step 5: Solve for x
    x = 108,159,662,341.50/283,696.84
  6. Step 6: Final answer
    x = 381,250.85

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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.