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Finding the Fourth Proportional to 341,864.17, 471,777.54 and 188,905.89

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Solution

The fourth proportional to 341,864.17, 471,777.54 and 188,905.89 is: 260,692.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,864.17 : 471,777.54 = 188,905.89 : x
  2. Step 2: Convert to fraction form
    341,864.17/471,777.54 = 188,905.89/x
  3. Step 3: Cross multiply
    341,864.17x = 471,777.54 × 188,905.89
  4. Step 4: Simplify right side
    341,864.17x = 89,121,557,136.48
  5. Step 5: Solve for x
    x = 89,121,557,136.48/341,864.17
  6. Step 6: Final answer
    x = 260,692.89

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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.