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Finding the Fourth Proportional to 437,162.16, 603,562.79 and 356,781.71

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Solution

The fourth proportional to 437,162.16, 603,562.79 and 356,781.71 is: 492,586.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,162.16 : 603,562.79 = 356,781.71 : x
  2. Step 2: Convert to fraction form
    437,162.16/603,562.79 = 356,781.71/x
  3. Step 3: Cross multiply
    437,162.16x = 603,562.79 × 356,781.71
  4. Step 4: Simplify right side
    437,162.16x = 215,340,166,709.43
  5. Step 5: Solve for x
    x = 215,340,166,709.43/437,162.16
  6. Step 6: Final answer
    x = 492,586.47

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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.