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Finding the Fourth Proportional to 291,766.84, 402,754.20 and 250,768.68

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Solution

The fourth proportional to 291,766.84, 402,754.20 and 250,768.68 is: 346,160.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,766.84 : 402,754.20 = 250,768.68 : x
  2. Step 2: Convert to fraction form
    291,766.84/402,754.20 = 250,768.68/x
  3. Step 3: Cross multiply
    291,766.84x = 402,754.20 × 250,768.68
  4. Step 4: Simplify right side
    291,766.84x = 100,998,139,098.46
  5. Step 5: Solve for x
    x = 100,998,139,098.46/291,766.84
  6. Step 6: Final answer
    x = 346,160.44

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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.