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Finding the Fourth Proportional to 611,250.35, 916,822.67 and 274,200.84

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Solution

The fourth proportional to 611,250.35, 916,822.67 and 274,200.84 is: 411,277.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,250.35 : 916,822.67 = 274,200.84 : x
  2. Step 2: Convert to fraction form
    611,250.35/916,822.67 = 274,200.84/x
  3. Step 3: Cross multiply
    611,250.35x = 916,822.67 × 274,200.84
  4. Step 4: Simplify right side
    611,250.35x = 251,393,544,874.04
  5. Step 5: Solve for x
    x = 251,393,544,874.04/611,250.35
  6. Step 6: Final answer
    x = 411,277.55

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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.