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Finding the Fourth Proportional to 437,228.87, 603,654.41 and 356,848.11

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Solution

The fourth proportional to 437,228.87, 603,654.41 and 356,848.11 is: 492,677.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,228.87 : 603,654.41 = 356,848.11 : x
  2. Step 2: Convert to fraction form
    437,228.87/603,654.41 = 356,848.11/x
  3. Step 3: Cross multiply
    437,228.87x = 603,654.41 × 356,848.11
  4. Step 4: Simplify right side
    437,228.87x = 215,412,936,193.79
  5. Step 5: Solve for x
    x = 215,412,936,193.79/437,228.87
  6. Step 6: Final answer
    x = 492,677.76

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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.